Added check for changes before committing

.github/workflows/python-app.yml

@@ -26,10 +26,15 @@ jobs:
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Run Python script
       run: python src/main.py --config src/config/config.json
+    - name: Check for changes
+      id: check_changes
+      run: |
+        git diff --quiet || echo "::set-output name=changes::true"
     - name: Commit and push changes
+      if: steps.check_changes.outputs.changes == 'true'
       run: |
         git config --global user.name 'github-actions[bot]'
         git config --global user.email 'github-actions[bot]@users.noreply.github.com'
         git add .
-        git commit -m "Updated sitemap (Automated)"
+        git commit -m "Automated changes"
         git push