Add Next.js as a root dependency for the monorepo workspace.

Co-authored-by: Cursor <cursoragent@cursor.com>

package.json

@@ -25,5 +25,8 @@
   ],
   "devDependencies": {
     "concurrently": "^8.2.2"
+  },
+  "dependencies": {
+    "next": "^16.2.10"
   }
 }