Add code to git example

README.md

@@ -14,10 +14,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
-...
-    - run: |
+    - name: Create local changes
+      run: |
         ...
-    - uses: ad-m/github-push-action@master
+    - name: Add files
+      run: |
+        git config --local user.email "action@github.com"
+        git config --local user.name "GitHub Action"
+        git commit -m "Add changes" -a
+    - name: Commit changes
+      uses: ad-m/github-push-action@master
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
 ```