Create demo.yml

Author: dsx137

.github/workflows/demo.yml

@@ -0,0 +1,13 @@
+name: Self-hosted Action Demo
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: self-hosted
+    steps:
+      - name: Print hello
+        run: echo "Hello from self-hosted runner"