Update deploy .yml

.github/workflows/deploy.yml

@@ -3,6 +3,8 @@ name: Build and deploy to GitHub Pages
 on:
   push:
     branches: [main]
+  schedule:
+    - cron: '0 0 */6 * *'
 
 jobs:
   build-and-deploy:
@@ -22,3 +24,27 @@ jobs:
         with:
           branch: gh-pages
           folder: build
+
+  commit:
+    name: Commit changes
+    runs-on: ubuntu-latest
+    if: github.event_name == 'schedule'
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Make a change to update_log.txt
+        run: |
+          echo "Update on $(date)" > update_log.txt
+
+      - name: Configure Git user
+        run: |
+          git config --global user.name 'Iryna-Vyshniak'
+          git config --global user.email 'iryna.vyshniak@gmail.com'
+
+      - name: Commit changes
+        run: |
+          git add update_log.txt
+          git commit -m "Update log"
+          git push