Create main.yml for testing CI actions

.github/workflows/main.yml

@@ -0,0 +1,20 @@
+name: Test Workflow
+on: 
+  workflow_dispatch:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: [self-hosted, macOS]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: System information
+        run: |
+          uname -a
+          sw_vers
+          
+      - name: Hello World
+        run: echo "Hello World from macOS ARM"