feat: add clinic doctor invitation feature

- Implemented ClinicInvitationController to handle doctor invitations.
- Created ClinicDoctorInvitation entity and repository for managing invitations.
- Added ClinicInvitationService for business logic related to invitations.
- Introduced endpoints for inviting, listing, resending, changing status, and deleting invitations.
- Updated security configuration to allow public access to invitation endpoints.
- Added migration for clinic_doctor_invitations table.
- Enhanced DoctorRepository with a method to find doctors by mobile number.
- Updated ClinicDetailPage to include invitation management UI.

src/Doctor/Repository/DoctorRepository.php

@@ -25,6 +25,17 @@ class DoctorRepository extends ServiceEntityRepository
         return $this->findOneBy(['user' => $user]);
     }
 
+    public function findOneByMobile(string $mobile): ?Doctor
+    {
+        return $this->createQueryBuilder('d')
+            ->join('d.user', 'u')
+            ->where('u.mobileNumber = :mobile')
+            ->setParameter('mobile', $mobile)
+            ->setMaxResults(1)
+            ->getQuery()
+            ->getOneOrNullResult();
+    }
+
     public function findWithFilters(array $filters): array
     {
         $page  = max(1, (int) ($filters['page'] ?? 1));