update

.github/workflows/main.yml

@@ -6,14 +6,13 @@ on:
       - main
 jobs:
   example-job:
-    runs-on: ubuntu
 
-    steps:
+  steps:
-      - name: print a welcome message
+    - name: print a welcome message
-        run: echo "welcome to our first github actions workflow"
+      run: echo "welcome to our first github actions workflow"
 
-      - name: checkout repository
+    - name: checkout repository
-        uses: actions/checkout@v5.0.0
+      uses: actions/checkout@v5.0.0
 
-      - name: List repository files
+    - name: List repository files
-        run: ls -la
+      run: ls -la