Refactor authentication flow and improve code organization

The update implemented a redirect functionality in the multi-factor authentication flow for a better user experience. It also involved a refactoring of some parts of the code, substituting direct routing paths with path configs for easier future modifications. Import statements were adjusted for better code organization and readability.

packages/features/admin/src/lib/is-super-admin.ts

@@ -0,0 +1,19 @@
+import { SupabaseClient } from '@supabase/supabase-js';
+
+import { Database } from '@kit/supabase/database';
+
+export async function isSuperAdmin(client: SupabaseClient<Database>) {
+  const { data, error } = await client.auth.getUser();
+
+  if (error) {
+    throw error;
+  }
+
+  if (!data.user) {
+    return false;
+  }
+
+  const appMetadata = data.user.app_metadata;
+
+  return appMetadata?.role === 'super-admin';
+}