feat(admin): add user and doctor management APIs and frontend form

- Updated security configuration to include new API route for file uploads.
- Added new endpoints in AdminApiController for user statistics, toggling user status, updating user roles, and managing user details.
- Implemented doctor statistics and management endpoints, including toggling doctor status and creating new doctors.
- Enhanced user listing with filtering options for roles and status.
- Introduced DoctorFormPage component for adding new doctors with specialties selection.
- Integrated react-leaflet for mapping functionalities and added necessary dependencies.
- Updated package.json and package-lock.json to include new dependencies.

assets/admin/App.tsx

@@ -8,6 +8,7 @@ import UsersPage from './pages/UsersPage';
 import UserDetailPage from './pages/UserDetailPage';
 import DoctorsPage from './pages/DoctorsPage';
 import DoctorDetailPage from './pages/DoctorDetailPage';
+import DoctorFormPage from './pages/DoctorFormPage';
 import ClinicsPage from './pages/ClinicsPage';
 import ClinicDetailPage from './pages/ClinicDetailPage';
 import AppointmentsPage from './pages/AppointmentsPage';
@@ -63,6 +64,7 @@ export default function App() {
 
         {/* Doctors */}
         <Route path="doctors" element={<DoctorsPage />} />
+        <Route path="doctors/new" element={<DoctorFormPage />} />
         <Route path="doctors/:uuid" element={<DoctorDetailPage />} />
 
         {/* Clinics */}