[ci] Enhancement: Demo GitHubActions

.github/workflows/demo.yml

@@ -0,0 +1,28 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
+name: Demo
+concurrency:
+  group: catloop
+  cancel-in-progress: false
+
+on:
+  push:
+    branches:
+      - wip-*
+
+  workflow_dispatch:
+
+jobs:
+  comment:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v7
+        with:
+          script: |
+            github.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: '👋 Thanks for reporting!'
+            })