export/import functionality

backend/package.json

@@ -13,10 +13,14 @@
   "type": "commonjs",
   "dependencies": {
     "@prisma/client": "^5.22.0",
+    "@types/archiver": "^7.0.0",
+    "@types/multer": "^2.0.0",
     "@types/socket.io": "^3.0.1",
+    "archiver": "^7.0.1",
     "cors": "^2.8.5",
     "dotenv": "^17.2.3",
     "express": "^5.1.0",
+    "multer": "^2.0.2",
     "socket.io": "^4.8.1"
   },
   "devDependencies": {