feat: implement admin API for user and representation management

- Updated UsersPage to fetch users from the new admin endpoint.
- Enhanced user data structure to include 'name' and modified rendering logic.
- Added RepresentationDetailPage for detailed representation management.
- Created AdminApiController to handle user and representation CRUD operations.
- Implemented pagination and search functionality for users and representations.
- Updated user and representation data models to reflect new API structure.

assets/admin/pages/DoctorsPage.tsx

@@ -93,8 +93,8 @@ export default function DoctorsPage() {
     },
   ];
 
-  const items = data?.data?.items ?? [];
-  const total = data?.data?.total ?? 0;
+  const items = data?.data ?? [];
+  const total = data?.meta?.totalRecords ?? 0;
 
   return (
     <div>