[automation] update Git Action of Next.js

.github/workflows/nextjs.yml

@@ -56,7 +56,6 @@ jobs:
             - name: Setup Pages
               uses: actions/configure-pages@v3
               with:
-                  enablement: true
                   # Automatically inject basePath in your Next.js configuration file and disable
                   # server side image optimization (https://nextjs.org/docs/api-reference/next/image#unoptimized).
                   #
@@ -94,3 +93,32 @@ jobs:
             - name: Deploy to GitHub Pages
               id: deployment
               uses: actions/deploy-pages@v2
+
+    post_deploy_job:
+        runs-on: ubuntu-latest
+        needs: deploy
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2
+
+            - name: Execute Post-Deployment Steps
+              run: |
+                  # Set up Git user config and authentication
+                  git config user.name "JimLin94"
+                  git config user.email "${{secrets.USER_EMAIL}}"
+
+            - name: Commit and Push Changes
+              env:
+                  GH_PAT: ${{ secrets.GH_PAT }}
+              run: |
+                  # Add remote with PAT authentication
+                  git remote add authenticated https://x-access-token:${GH_PAT}@github.com/JimLin94/jimlin94.github.io
+                  git remote add authenticated https://x-access-token:${GH_PAT}@github.com/${{ github.repository }}.git
+
+                  # Add and commit the changes
+                  touch ${{ steps.date.outputs.date }}.txt
+                  git add .
+                  git commit -m "Update root level files post-deployment"
+
+                  # Push the changes to the master branch
+                  git push authenticated HEAD:master