chore: add PR template and update docs check

.github/workflows/pull_request_template.md

@@ -0,0 +1,6 @@
+## Description
+<!--- Provide a general summary of your changes in the Title above -->
+
+
+## Update README addresses
+- [ ] I have updated README addresses

.github/workflows/update-addresses.yml

@@ -0,0 +1,23 @@
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, edited]
+
+jobs:
+  detect-update-addresses-checkbox:
+    runs-on: ubuntu-latest
+    outputs:
+      checked: ${{ steps.detect.outputs.checked }}
+    steps:
+      - uses: marocchino/checkbox-action@v1
+        id: detect
+        with:
+          action: 'detect'
+
+  validate-update-addresses-checkbox:
+    runs-on: ubuntu-latest
+    needs: detect
+    if: ${{ contains(fromJSON(needs.detect.outputs.checked)) }}
+    uses: actions/github-script@v3
+    with:
+      script: |
+          core.setFailed('Update adderesses checkbox not checked!')