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/ClinicInvitation/Repository/ClinicDoctorInvitationRepository.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\ClinicInvitation\Repository;
+
+use App\ClinicInvitation\Entity\ClinicDoctorInvitation;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+
+class ClinicDoctorInvitationRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, ClinicDoctorInvitation::class);
+    }
+
+    public function findByToken(string $token): ?ClinicDoctorInvitation
+    {
+        return $this->findOneBy(['token' => $token]);
+    }
+
+    public function findPendingByMobileAndClinic(string $mobile, int $clinicId): ?ClinicDoctorInvitation
+    {
+        return $this->createQueryBuilder('i')
+            ->where('i.mobile = :mobile')
+            ->andWhere('i.clinic = :clinicId')
+            ->andWhere('i.status = :status')
+            ->setParameter('mobile', $mobile)
+            ->setParameter('clinicId', $clinicId)
+            ->setParameter('status', ClinicDoctorInvitation::STATUS_PENDING)
+            ->setMaxResults(1)
+            ->getQuery()
+            ->getOneOrNullResult();
+    }
+
+    public function save(ClinicDoctorInvitation $invitation): void
+    {
+        $em = $this->getEntityManager();
+        $em->persist($invitation);
+        $em->flush();
+    }
+}