ci: 🎡 add commitlint job

Author: shaharkazaz

.github/workflows/ci.yml

@@ -40,9 +40,23 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-        
+
       - name: Setup
         uses: ./.github/actions/step-setup
 
       - name: Run E2E
         run: npm run ci:e2e
+
+  commitlint:
+    runs-on: ubuntu-latest
+    if: github.event_name == 'pull_request'
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Setup
+        uses: ./.github/actions/step-setup
+
+      - name: Validate PR commits with commitlint
+        run: npx commitlint --from ${{ github.event.pull_request.head.sha }}~${{ github.event.pull_request.commits }} --to ${{ github.event.pull_request.head.sha }} --verbose