chore: add GitHub Actions workflow for syncing with GitLab

.github/workflows/git-sync.yml

@@ -0,0 +1,51 @@
+name: Sync Repositories
+
+on:
+  # Trigger on pushes to all branches
+  push:
+    branches:
+      - '**'
+  # Trigger on pull request events
+  pull_request:
+    types: [opened, closed]
+  # Allow manual trigger
+  workflow_dispatch:
+  # Run on a schedule (every 6 hours) to catch GitLab changes
+  schedule:
+    - cron: '0 */6 * * *'
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout GitHub repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          git config user.name "vixshan"
+          git config user.email "[email protected]"
+          
+      - name: Add GitLab remote
+        run: |
+          git remote add gitlab https://oauth2:${GITLAB_TOKEN}@gitlab.com/vikshan/amina.git
+          
+      - name: Fetch and sync with GitLab
+        run: |
+          # Fetch all branches and tags from GitLab
+          git fetch gitlab
+          
+          # Push all GitHub branches to GitLab
+          git push -f gitlab refs/remotes/origin/*:refs/heads/*
+          
+          # Push all tags to GitLab
+          git push -f gitlab --tags
+          
+          # Pull changes from GitLab and push to GitHub
+          git pull gitlab --allow-unrelated-histories || true
+          git push origin --all
+          git push origin --tags
+        env:
+          GITLAB_TOKEN: ${{ secrets.GITLAB_TOKEN }}