chore: GitHub actions for translation syntax validation and docs link (#23627)

* chore: Add GA for translation syntax validation

* chore: Documentation link checker

Co-authored-by: Gavin D'souza <gavin18d@gmail.com>

* fix: URL

Co-authored-by: Nabin Hait <nabinhait@gmail.com>

Co-authored-by: Gavin D'souza <gavin18d@gmail.com>
Co-authored-by: Nabin Hait <nabinhait@gmail.com>

.github/workflows/docs-checker.yml

@@ -0,0 +1,24 @@
+name: 'Documentation Required'
+on:
+  pull_request:
+    types: [ opened, synchronize, reopened, edited ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: 'Setup Environment'
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.6
+
+      - name: 'Clone repo'
+        uses: actions/checkout@v2
+
+      - name: Validate Docs
+        env:
+          PR_NUMBER: ${{ github.event.number }}
+        run: |
+          pip install requests --quiet
+          python $GITHUB_WORKSPACE/.github/helper/documentation.py $PR_NUMBER