Move metamigo assets to metamigo-add

apps/link/app/(main)/admin/metamigo/page.tsx

@@ -1,5 +1,6 @@
-import { Admin } from "./_components/Admin";
+// import { Admin } from "./_components/Admin";
+import { Box } from "@mui/material";
 
 export default function Page() {
-  return <Admin />;
+  return <Box />;
 }