add pr-title validation

.github/workflows/pr-title-validation.yml

@@ -0,0 +1,48 @@
+name: Chore
+on:
+  pull_request:
+    branches: [main]
+    types: [opened, reopened, edited, synchronize]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  check-pr-title:
+    name: PR title validation
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - name: validate conventional commit message
+        id: lint
+        uses: amannn/action-semantic-pull-request@v5
+        with:
+          subjectPattern: ^[A-Z].+[^. ]$ # subject must start with uppercase letter and may not end with a dot/space
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+      - name: post comment about invalid PR title
+        if: failure()
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          header: conventional-commit-pr-title
+          message: |
+            Thanks for contributing to Helios 🌞
+
+            Please use PR titles according to [Conventional Commits specification](https://www.conventionalcommits.org/en/v1.0.0/) and it looks like your proposed title needs to be adjusted.
+
+            <details><summary><b>Details</b></summary>
+
+            ```
+            ${{ steps.lint.outputs.error_message }}
+            ```
+
+            </details>
+      - name: delete comment about invalid PR title
+        if: success()
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          header: conventional-commit-pr-title
+          delete: true