Add registrations list and dashboard components

frontend/src/app/registrations/page.tsx

@@ -0,0 +1,15 @@
+import { RegistrationList } from '@/components/registration-list';
+import { Suspense } from 'react';
+
+export default function RegistrationsPage() {
+  return (
+    <div className="min-h-screen bg-gray-50 py-8">
+      <div className="max-w-4xl mx-auto px-4">
+        <h1 className="text-3xl font-bold mb-8">My Registrations</h1>
+        <Suspense fallback={<div>Loading...</div>}>
+          <RegistrationList />
+        </Suspense>
+      </div>
+    </div>
+  );
+}