Use npm instead of yarn, update react scripts (#137)

* Use npm instead of yarn, update react scripts

* Update all dependencies

* Version 1.17.0

.github/workflows/node.js.yml

@@ -16,15 +16,15 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [14.x, 16.x]
 
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node-version }}
-    - run: npm install -g yarn
-    - run: yarn
-    - run: yarn test --silent --coverage --coverageReporters text lcov
+        cache: npm
+    - run: npm ci
+    - run: npm test -- --silent --coverage --coverageReporters text lcov
     - run: bash <(curl -s https://codecov.io/bash)

.nvmrc

@@ -0,0 +1 @@
+16

README.md

@@ -22,9 +22,9 @@ if you are even using the service or not, since I do not track visits on the ser
 Running it locally should be something like this:
 
 ```
-yarn install
-yarn start:lambda
-yarn start
+npm ci
+npm run start:lambda
+npm start
 ```
 
 ## The name OTB

netlify.toml

@@ -1,4 +1,4 @@
 [build]
-  command = "yarn build && yarn build:lambda"
+  command = "npm run build && npm run build:lambda"
   functions = "lambda"
   publish = "build"