add bash shell and checkut action

Author: githubofkrishnadhas

action.yaml

@@ -13,6 +13,16 @@ inputs:
 runs:
   using: 'composite'
   steps:
+
+  - name: Checkout
+    uses: actions/checkout@v4
+
+  - name: list files
+    shell: bash
+    run: |
+      echo "Listing files in the current directory:"
+      ls -la
+
   - name: Install Python
     uses: actions/setup-python@v5
     with: