fix: add checkout step and sync code to host volume in deployment pipeline

.gitea/workflows/deploy.yml

@@ -11,6 +11,14 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      - name: Sync Code to Host Volume
+        run: |
+          echo "Copying latest code to /app (Host Volume)..."
+          cp -a . /app/
+
       - name: Deploy Task on Host
         run: |
           echo "Starting Standard CI/CD Deploy pipeline..."