Update main.yaml

Author: jpaulrajredhat

.github/workflows/main.yaml

@@ -3,6 +3,10 @@ name: Run Podman Compose demos
 on:
   push:
     branches: [ main ]
+    paths-ignore:
+      - 'README.md'       # Ignores the README file in the root
+      - 'docs/*.md'       # (Optional) Ignores all markdown files in a docs folder
+
     paths:
       - '.github/workflows/**'
       - 'demo/demo-1-basics/**'
@@ -127,4 +131,4 @@ jobs:
     # --------------------------------------------------
     - name: Final cleanup
       if: always()
-      run: podman system prune -a -f
+      run: podman system prune -a -f