chore: Add conventional commit check to PR titles (Azure#135)

* Added conventional commit check to PRs

.github/workflows/conventional_pr.yml

@@ -0,0 +1,24 @@
+name: "[auto] Check PR title format"
+on:
+  pull_request:
+    types: [
+        opened,
+        edited,
+        ready_for_review,
+        reopened,
+    ]
+jobs:
+  verify_title:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Verify PR title matches conventional commits specification"
+        env:
+          TITLE: ${{ github.event.pull_request.title }}
+        run: |
+            conventional_regex='^(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)(\(.*\))?: .*$'
+            if [[ "$TITLE" =~ $conventional_regex ]]; then
+                echo "Success!"
+            else
+                echo "Incorrect PR title format" >> $GITHUB_STEP_SUMMARY
+                exit 1
+            fi