ci: add Gitea Actions auto-deploy workflow

.gitea/workflows/deploy.yml

@@ -0,0 +1,33 @@
+name: Deploy to Production
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Build Docker image
+        run: |
+          docker build -t hotelsync-frontend:latest .
+
+      - name: Deploy frontend
+        run: |
+          docker stop hotelsync-frontend 2>/dev/null || true
+          docker rm hotelsync-frontend 2>/dev/null || true
+          docker run -d \
+            --name hotelsync-frontend \
+            --network hotelsync_hotelsync-net \
+            --restart unless-stopped \
+            hotelsync-frontend:latest
+          echo "✅ Deploy complete!"
+
+      - name: Health check
+        run: |
+          sleep 3
+          curl -sf http://hotelsync-frontend/ > /dev/null && echo "✅ App is up!" || echo "❌ Health check failed"