Include monaco library for code editor page

Author: LemonDrew

frontend/package.json

@@ -12,6 +12,7 @@
   },
   "dependencies": {
     "@hookform/resolvers": "^5.2.1",
+    "@monaco-editor/react": "^4.7.0",
     "@radix-ui/react-dialog": "^1.1.15",
     "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-label": "^2.1.7",