implemented game server sync

src/package.json

@@ -15,6 +15,7 @@
     "@dnd-kit/sortable": "^10.0.0",
     "@dnd-kit/utilities": "^3.2.2",
     "express": "^4.21.2",
+    "ioredis": "^5.8.2",
     "lucide-react": "^0.475.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
@@ -25,6 +26,7 @@
   },
   "devDependencies": {
     "@types/express": "^4.17.21",
+    "@types/ioredis": "^4.28.10",
     "@types/node": "^22.10.1",
     "@types/react": "^19.0.1",
     "@types/react-dom": "^19.0.1",