📜 Docs: add info to encourage upvote

.github/ISSUE_TEMPLATE/01-bug-report.yaml

@@ -357,4 +357,10 @@ body:
       label: Additional Information
       placeholder: Add any other context about the problem here.
     validations:
-      required: false
+      required: false
+
+  - type: markdown
+    attributes:
+      value: |
+        ---
+        Upvote [important issues](https://github.com/AdguardTeam/AdguardForAndroid/issues?q=is%3Aissue+is%3Aopen+sort%3Areactions-%2B1-desc+) with a :+1:

.github/ISSUE_TEMPLATE/02-feature-request.yaml

@@ -27,4 +27,10 @@ body:
       description:
       placeholder: A clear and concise description of any alternative solutions or features you've considered.
     validations:
-      required: false
+      required: false
+
+  - type: markdown
+    attributes:
+      value: |
+        ---
+        Upvote [important issues](https://github.com/AdguardTeam/AdguardForAndroid/issues?q=is%3Aissue+is%3Aopen+sort%3Areactions-%2B1-desc+) with a :+1:

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,12 @@
+'blank_issues_enabled': true
+'contact_links':
+  - 'about': >
+        Please report filtering issues, for example advertising filters
+        misfiring or safe browsing false positives, using the form on our
+        website
+    'name': 'AdGuard filters issues'
+    'url': 'https://link.adtidy.net/forward.html?action=report&app=home&from=github'
+  - 'about': >
+        Please check AdGuard Knowledgebase for more useful information about our products
+    'name': 'Knowledgebase'
+    'url': 'https://adguard.com/kb/'