Create sync-firebase-deploy.yml

Create workflow to sync firebase_deploy branch with main

.github/workflows/sync-firebase-deploy.yml

@@ -0,0 +1,26 @@
+name: Sync firebase_deploy with Main Branch
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  sync-branch:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout firebase_deploy branch
+      uses: actions/checkout@v2
+      with:
+        ref: firebase_deploy
+
+    - name: Set up Git
+      run: |
+        git config --global user.name 'GitHub Actions'
+        git config --global user.email '[email protected]'
+
+    - name: Fetch and merge changes from main
+      run: |
+        git fetch origin main
+        git merge origin/main
+        git push origin firebase_deploy