fix: add missing import dynamic from next/dynamic

.gitignore

@@ -29,3 +29,4 @@ Thumbs.db
 # Misc
 *.log
 static/
+.planning/

frontend/src/app/dashboard/page.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { useEffect, useState, useCallback } from "react";
+import dynamic from "next/dynamic";
 import { useRouter } from "next/navigation";
 import { useAuth } from "@/lib/auth";
 import { api, CONNECTION_ERROR_BANNER_MESSAGE, CONNECTION_ERROR_MESSAGE } from "@/lib/api";