diff --git a/web_server/Pipfile.lock b/web_server/Pipfile.lock
index 870a62e..8ae843d 100644
--- a/web_server/Pipfile.lock
+++ b/web_server/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "47c6eee846a7988a67c2ba03c6fb9d7310e2d488a45e8af47746ac6c2c38ac0f"
+            "sha256": "66a0018b9ca2240f900a2abc5e8ce0354d85eb222d84bd96b1314def0c7046f5"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -14,26 +14,82 @@
         ]
     },
     "default": {
+        "aiohttp": {
+            "hashes": [
+                "sha256:02f46fc0e3c5ac58b80d4d56eb0a7c7d97fcef69ace9326289fb9f1955e65cfe",
+                "sha256:0563c1b3826945eecd62186f3f5c7d31abb7391fedc893b7e2b26303b5a9f3fe",
+                "sha256:114b281e4d68302a324dd33abb04778e8557d88947875cbf4e842c2c01a030c5",
+                "sha256:14762875b22d0055f05d12abc7f7d61d5fd4fe4642ce1a249abdf8c700bf1fd8",
+                "sha256:15492a6368d985b76a2a5fdd2166cddfea5d24e69eefed4630cbaae5c81d89bd",
+                "sha256:17c073de315745a1510393a96e680d20af8e67e324f70b42accbd4cb3315c9fb",
+                "sha256:209b4a8ee987eccc91e2bd3ac36adee0e53a5970b8ac52c273f7f8fd4872c94c",
+                "sha256:230a8f7e24298dea47659251abc0fd8b3c4e38a664c59d4b89cca7f6c09c9e87",
+                "sha256:2e19413bf84934d651344783c9f5e22dee452e251cfd220ebadbed2d9931dbf0",
+                "sha256:393f389841e8f2dfc86f774ad22f00923fdee66d238af89b70ea314c4aefd290",
+                "sha256:3cf75f7cdc2397ed4442594b935a11ed5569961333d49b7539ea741be2cc79d5",
+                "sha256:3d78619672183be860b96ed96f533046ec97ca067fd46ac1f6a09cd9b7484287",
+                "sha256:40eced07f07a9e60e825554a31f923e8d3997cfc7fb31dbc1328c70826e04cde",
+                "sha256:493d3299ebe5f5a7c66b9819eacdcfbbaaf1a8e84911ddffcdc48888497afecf",
+                "sha256:4b302b45040890cea949ad092479e01ba25911a15e648429c7c5aae9650c67a8",
+                "sha256:515dfef7f869a0feb2afee66b957cc7bbe9ad0cdee45aec7fdc623f4ecd4fb16",
+                "sha256:547da6cacac20666422d4882cfcd51298d45f7ccb60a04ec27424d2f36ba3eaf",
+                "sha256:5df68496d19f849921f05f14f31bd6ef53ad4b00245da3195048c69934521809",
+                "sha256:64322071e046020e8797117b3658b9c2f80e3267daec409b350b6a7a05041213",
+                "sha256:7615dab56bb07bff74bc865307aeb89a8bfd9941d2ef9d817b9436da3a0ea54f",
+                "sha256:79ebfc238612123a713a457d92afb4096e2148be17df6c50fb9bf7a81c2f8013",
+                "sha256:7b18b97cf8ee5452fa5f4e3af95d01d84d86d32c5e2bfa260cf041749d66360b",
+                "sha256:932bb1ea39a54e9ea27fc9232163059a0b8855256f4052e776357ad9add6f1c9",
+                "sha256:a00bb73540af068ca7390e636c01cbc4f644961896fa9363154ff43fd37af2f5",
+                "sha256:a5ca29ee66f8343ed336816c553e82d6cade48a3ad702b9ffa6125d187e2dedb",
+                "sha256:af9aa9ef5ba1fd5b8c948bb11f44891968ab30356d65fd0cc6707d989cd521df",
+                "sha256:bb437315738aa441251214dad17428cafda9cdc9729499f1d6001748e1d432f4",
+                "sha256:bdb230b4943891321e06fc7def63c7aace16095be7d9cf3b1e01be2f10fba439",
+                "sha256:c6e9dcb4cb338d91a73f178d866d051efe7c62a7166653a91e7d9fb18274058f",
+                "sha256:cffe3ab27871bc3ea47df5d8f7013945712c46a3cc5a95b6bee15887f1675c22",
+                "sha256:d012ad7911653a906425d8473a1465caa9f8dea7fcf07b6d870397b774ea7c0f",
+                "sha256:d9e13b33afd39ddeb377eff2c1c4f00544e191e1d1dee5b6c51ddee8ea6f0cf5",
+                "sha256:e4b2b334e68b18ac9817d828ba44d8fcb391f6acb398bcc5062b14b2cbeac970",
+                "sha256:e54962802d4b8b18b6207d4a927032826af39395a3bd9196a5af43fc4e60b009",
+                "sha256:f705e12750171c0ab4ef2a3c76b9a4024a62c4103e3a55dd6f99265b9bc6fcfc",
+                "sha256:f881853d2643a29e643609da57b96d5f9c9b93f62429dcc1cbb413c7d07f0e1a",
+                "sha256:fe60131d21b31fd1a14bd43e6bb88256f69dfc3188b3a89d736d6c71ed43ec95"
+            ],
+            "version": "==3.7.4.post0"
+        },
+        "async-timeout": {
+            "hashes": [
+                "sha256:0c3c816a028d47f659d6ff5c745cb2acf1f966da1fe5c19c77a70282b25f4c5f",
+                "sha256:4291ca197d287d274d0b6cb5d6f8f8f82d434ed288f962539ff18cc9012f9ea3"
+            ],
+            "version": "==3.0.1"
+        },
+        "attrs": {
+            "hashes": [
+                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
+                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
+            ],
+            "version": "==21.2.0"
+        },
         "certifi": {
             "hashes": [
-                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
-                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
+                "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee",
+                "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"
             ],
-            "version": "==2018.11.29"
+            "version": "==2021.5.30"
         },
         "chardet": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa",
+                "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"
             ],
-            "version": "==3.0.4"
+            "version": "==4.0.0"
         },
         "deprecated": {
             "hashes": [
-                "sha256:8bfeba6e630abf42b5d111b68a05f7fe3d6de7004391b3cd614947594f87a4ff",
-                "sha256:b784e0ca85a8c1e694d77e545c10827bd99772392e79d5f5442e761515a1246e"
+                "sha256:08452d69b6b5bc66e8330adde0a4f8642e969b9e1702904d137eeb29c8ffc771",
+                "sha256:6d2de2de7931a968874481ef30208fd4e08da39177d61d3d4ebdf4366e7dbca1"
             ],
-            "version": "==1.2.4"
+            "version": "==1.2.12"
         },
         "django": {
             "hashes": [
@@ -45,10 +101,52 @@
         },
         "idna": {
             "hashes": [
-                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
-                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
+            ],
+            "version": "==2.10"
+        },
+        "multidict": {
+            "hashes": [
+                "sha256:018132dbd8688c7a69ad89c4a3f39ea2f9f33302ebe567a879da8f4ca73f0d0a",
+                "sha256:051012ccee979b2b06be928a6150d237aec75dd6bf2d1eeeb190baf2b05abc93",
+                "sha256:05c20b68e512166fddba59a918773ba002fdd77800cad9f55b59790030bab632",
+                "sha256:07b42215124aedecc6083f1ce6b7e5ec5b50047afa701f3442054373a6deb656",
+                "sha256:0e3c84e6c67eba89c2dbcee08504ba8644ab4284863452450520dad8f1e89b79",
+                "sha256:0e929169f9c090dae0646a011c8b058e5e5fb391466016b39d21745b48817fd7",
+                "sha256:1ab820665e67373de5802acae069a6a05567ae234ddb129f31d290fc3d1aa56d",
+                "sha256:25b4e5f22d3a37ddf3effc0710ba692cfc792c2b9edfb9c05aefe823256e84d5",
+                "sha256:2e68965192c4ea61fff1b81c14ff712fc7dc15d2bd120602e4a3494ea6584224",
+                "sha256:2f1a132f1c88724674271d636e6b7351477c27722f2ed789f719f9e3545a3d26",
+                "sha256:37e5438e1c78931df5d3c0c78ae049092877e5e9c02dd1ff5abb9cf27a5914ea",
+                "sha256:3a041b76d13706b7fff23b9fc83117c7b8fe8d5fe9e6be45eee72b9baa75f348",
+                "sha256:3a4f32116f8f72ecf2a29dabfb27b23ab7cdc0ba807e8459e59a93a9be9506f6",
+                "sha256:46c73e09ad374a6d876c599f2328161bcd95e280f84d2060cf57991dec5cfe76",
+                "sha256:46dd362c2f045095c920162e9307de5ffd0a1bfbba0a6e990b344366f55a30c1",
+                "sha256:4b186eb7d6ae7c06eb4392411189469e6a820da81447f46c0072a41c748ab73f",
+                "sha256:54fd1e83a184e19c598d5e70ba508196fd0bbdd676ce159feb412a4a6664f952",
+                "sha256:585fd452dd7782130d112f7ddf3473ffdd521414674c33876187e101b588738a",
+                "sha256:5cf3443199b83ed9e955f511b5b241fd3ae004e3cb81c58ec10f4fe47c7dce37",
+                "sha256:6a4d5ce640e37b0efcc8441caeea8f43a06addace2335bd11151bc02d2ee31f9",
+                "sha256:7df80d07818b385f3129180369079bd6934cf70469f99daaebfac89dca288359",
+                "sha256:806068d4f86cb06af37cd65821554f98240a19ce646d3cd24e1c33587f313eb8",
+                "sha256:830f57206cc96ed0ccf68304141fec9481a096c4d2e2831f311bde1c404401da",
+                "sha256:929006d3c2d923788ba153ad0de8ed2e5ed39fdbe8e7be21e2f22ed06c6783d3",
+                "sha256:9436dc58c123f07b230383083855593550c4d301d2532045a17ccf6eca505f6d",
+                "sha256:9dd6e9b1a913d096ac95d0399bd737e00f2af1e1594a787e00f7975778c8b2bf",
+                "sha256:ace010325c787c378afd7f7c1ac66b26313b3344628652eacd149bdd23c68841",
+                "sha256:b47a43177a5e65b771b80db71e7be76c0ba23cc8aa73eeeb089ed5219cdbe27d",
+                "sha256:b797515be8743b771aa868f83563f789bbd4b236659ba52243b735d80b29ed93",
+                "sha256:b7993704f1a4b204e71debe6095150d43b2ee6150fa4f44d6d966ec356a8d61f",
+                "sha256:d5c65bdf4484872c4af3150aeebe101ba560dcfb34488d9a8ff8dbcd21079647",
+                "sha256:d81eddcb12d608cc08081fa88d046c78afb1bf8107e6feab5d43503fea74a635",
+                "sha256:dc862056f76443a0db4509116c5cd480fe1b6a2d45512a653f9a855cc0517456",
+                "sha256:ecc771ab628ea281517e24fd2c52e8f31c41e66652d07599ad8818abaad38cda",
+                "sha256:f200755768dc19c6f4e2b672421e0ebb3dd54c38d5a4f262b872d8cfcc9e93b5",
+                "sha256:f21756997ad8ef815d8ef3d34edd98804ab5ea337feedcd62fb52d22bf531281",
+                "sha256:fc13a9524bc18b6fb6e0dbec3533ba0496bbed167c56d0aabefd965584557d80"
             ],
-            "version": "==2.8"
+            "version": "==5.1.0"
         },
         "pygithub": {
             "hashes": [
@@ -59,10 +157,10 @@
         },
         "pyjwt": {
             "hashes": [
-                "sha256:5c6eca3c2940464d106b99ba83b00c6add741c9becaec087fb7ccdefea71350e",
-                "sha256:8d59a976fb773f3e6a39c85636357c4f0e242707394cadadd9814f5cbaa20e96"
+                "sha256:934d73fbba91b0483d3857d1aff50e96b2a892384ee2c17417ed3203f173fca1",
+                "sha256:fba44e7898bbca160a2b2b501f492824fc8382485d3a6f11ba5d0c1937ce6130"
             ],
-            "version": "==1.7.1"
+            "version": "==2.1.0"
         },
         "python-dotenv": {
             "hashes": [
@@ -74,30 +172,89 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:32b0891edff07e28efe91284ed9c31e123d84bea3fd98e1f72be2508f43ef8d9",
-                "sha256:d5f05e487007e29e03409f9398d074e158d920d36eb82eaf66fb1136b0c5374c"
+                "sha256:83a4a90894bf38e243cf052c8b58f381bfe9a7a483f6a9cab140bc7f702ac4da",
+                "sha256:eb10ce3e7736052ed3623d49975ce333bcd712c7bb19a58b9e2089d4057d0798"
             ],
-            "version": "==2018.9"
+            "version": "==2021.1"
         },
         "requests": {
             "hashes": [
-                "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",
-                "sha256:7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b"
+                "sha256:27973dd4a904a4f13b263a19c866c13b92a39ed1c964655f025f3f8d3d75b804",
+                "sha256:c210084e36a42ae6b9219e00e48287def368a26d03a048ddad7bfee44f75871e"
             ],
-            "version": "==2.21.0"
+            "version": "==2.25.1"
+        },
+        "slackclient": {
+            "hashes": [
+                "sha256:07ec8fa76f6aa64852210ae235ff9e637ba78124e06c0b07a7eeea4abb955965",
+                "sha256:2d68d668c02f4038299897e5c4723ab85dd40a3548354924b24f333a435856f8"
+            ],
+            "index": "pypi",
+            "version": "==2.9.3"
+        },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:0ac0f89795dd19de6b97debb0c6af1c70987fd80a2d62d1958f7e56fcc31b497",
+                "sha256:50b6f157849174217d0656f99dc82fe932884fb250826c18350e159ec6cdf342",
+                "sha256:779383f6086d90c99ae41cf0ff39aac8a7937a9283ce0a414e5dd782f4c94a84"
+            ],
+            "version": "==3.10.0.0"
         },
         "urllib3": {
             "hashes": [
-                "sha256:61bf29cada3fc2fbefad4fdf059ea4bd1b4a86d2b6d15e1c7c0b582b9752fe39",
-                "sha256:de9529817c93f27c8ccbfead6985011db27bd0ddfcdb2d86f3f663385c6a9c22"
+                "sha256:753a0374df26658f99d826cfe40394a686d05985786d946fbe4165b5148f5a7c",
+                "sha256:a7acd0977125325f516bda9735fa7142b909a8d01e8b2e4c8108d0984e6e0098"
             ],
-            "version": "==1.24.1"
+            "index": "pypi",
+            "version": "==1.26.5"
         },
         "wrapt": {
             "hashes": [
-                "sha256:4aea003270831cceb8a90ff27c4031da6ead7ec1886023b80ce0dfe0adf61533"
+                "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"
+            ],
+            "version": "==1.12.1"
+        },
+        "yarl": {
+            "hashes": [
+                "sha256:00d7ad91b6583602eb9c1d085a2cf281ada267e9a197e8b7cae487dadbfa293e",
+                "sha256:0355a701b3998dcd832d0dc47cc5dedf3874f966ac7f870e0f3a6788d802d434",
+                "sha256:15263c3b0b47968c1d90daa89f21fcc889bb4b1aac5555580d74565de6836366",
+                "sha256:2ce4c621d21326a4a5500c25031e102af589edb50c09b321049e388b3934eec3",
+                "sha256:31ede6e8c4329fb81c86706ba8f6bf661a924b53ba191b27aa5fcee5714d18ec",
+                "sha256:324ba3d3c6fee56e2e0b0d09bf5c73824b9f08234339d2b788af65e60040c959",
+                "sha256:329412812ecfc94a57cd37c9d547579510a9e83c516bc069470db5f75684629e",
+                "sha256:4736eaee5626db8d9cda9eb5282028cc834e2aeb194e0d8b50217d707e98bb5c",
+                "sha256:4953fb0b4fdb7e08b2f3b3be80a00d28c5c8a2056bb066169de00e6501b986b6",
+                "sha256:4c5bcfc3ed226bf6419f7a33982fb4b8ec2e45785a0561eb99274ebbf09fdd6a",
+                "sha256:547f7665ad50fa8563150ed079f8e805e63dd85def6674c97efd78eed6c224a6",
+                "sha256:5b883e458058f8d6099e4420f0cc2567989032b5f34b271c0827de9f1079a424",
+                "sha256:63f90b20ca654b3ecc7a8d62c03ffa46999595f0167d6450fa8383bab252987e",
+                "sha256:68dc568889b1c13f1e4745c96b931cc94fdd0defe92a72c2b8ce01091b22e35f",
+                "sha256:69ee97c71fee1f63d04c945f56d5d726483c4762845400a6795a3b75d56b6c50",
+                "sha256:6d6283d8e0631b617edf0fd726353cb76630b83a089a40933043894e7f6721e2",
+                "sha256:72a660bdd24497e3e84f5519e57a9ee9220b6f3ac4d45056961bf22838ce20cc",
+                "sha256:73494d5b71099ae8cb8754f1df131c11d433b387efab7b51849e7e1e851f07a4",
+                "sha256:7356644cbed76119d0b6bd32ffba704d30d747e0c217109d7979a7bc36c4d970",
+                "sha256:8a9066529240171b68893d60dca86a763eae2139dd42f42106b03cf4b426bf10",
+                "sha256:8aa3decd5e0e852dc68335abf5478a518b41bf2ab2f330fe44916399efedfae0",
+                "sha256:97b5bdc450d63c3ba30a127d018b866ea94e65655efaf889ebeabc20f7d12406",
+                "sha256:9ede61b0854e267fd565e7527e2f2eb3ef8858b301319be0604177690e1a3896",
+                "sha256:b2e9a456c121e26d13c29251f8267541bd75e6a1ccf9e859179701c36a078643",
+                "sha256:b5dfc9a40c198334f4f3f55880ecf910adebdcb2a0b9a9c23c9345faa9185721",
+                "sha256:bafb450deef6861815ed579c7a6113a879a6ef58aed4c3a4be54400ae8871478",
+                "sha256:c49ff66d479d38ab863c50f7bb27dee97c6627c5fe60697de15529da9c3de724",
+                "sha256:ce3beb46a72d9f2190f9e1027886bfc513702d748047b548b05dab7dfb584d2e",
+                "sha256:d26608cf178efb8faa5ff0f2d2e77c208f471c5a3709e577a7b3fd0445703ac8",
+                "sha256:d597767fcd2c3dc49d6eea360c458b65643d1e4dbed91361cf5e36e53c1f8c96",
+                "sha256:d5c32c82990e4ac4d8150fd7652b972216b204de4e83a122546dce571c1bdf25",
+                "sha256:d8d07d102f17b68966e2de0e07bfd6e139c7c02ef06d3a0f8d2f0f055e13bb76",
+                "sha256:e46fba844f4895b36f4c398c5af062a9808d1f26b2999c58909517384d5deda2",
+                "sha256:e6b5460dc5ad42ad2b36cca524491dfcaffbfd9c8df50508bddc354e787b8dc2",
+                "sha256:f040bcc6725c821a4c0665f3aa96a4d0805a7aaf2caf266d256b8ed71b9f041c",
+                "sha256:f0b059678fd549c66b89bed03efcabb009075bd131c248ecdf087bdb6faba24a",
+                "sha256:fcbb48a93e8699eae920f8d92f7160c03567b421bc17362a9ffbbd706a816f71"
             ],
-            "version": "==1.11.1"
+            "version": "==1.6.3"
         }
     },
     "develop": {}