chore: react-virtual 라이브러리 설치

#2

Author: pipisebastian

client/package.json

@@ -18,6 +18,7 @@
     "@noctaCrdt": "workspace:*",
     "@pandabox/panda-plugins": "^0.0.8",
     "@tanstack/react-query": "^5.60.5",
+    "@tanstack/react-virtual": "^3.11.2",
     "axios": "^1.7.7",
     "framer-motion": "^11.11.11",
     "react": "^18.3.1",