feat: implement staff management and subscription system

- Added StaffController for managing clinic staff, including listing, creating, updating, and toggling staff status.
- Created ClinicStaff entity and repository for staff data handling.
- Developed SubscriptionController to manage subscription plans and periods, including trial subscriptions.
- Introduced SubscriptionPlan, SubscriptionPeriod, and ClinicSubscription entities for subscription management.
- Implemented SubscriptionService for handling subscription logic, including trial activation and subscription creation from payments.
- Added necessary repositories for subscription entities to facilitate data access and manipulation.

src/Sms/Repository/SmsWalletTransactionRepository.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Sms\Repository;
+
+use App\Sms\Entity\SmsWallet;
+use App\Sms\Entity\SmsWalletTransaction;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+
+class SmsWalletTransactionRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, SmsWalletTransaction::class);
+    }
+
+    public function findByWallet(SmsWallet $wallet, int $page = 1, int $limit = 20): array
+    {
+        return $this->createQueryBuilder('t')
+            ->where('t.wallet = :wallet')
+            ->setParameter('wallet', $wallet)
+            ->orderBy('t.id', 'DESC')
+            ->setFirstResult(($page - 1) * $limit)
+            ->setMaxResults($limit)
+            ->getQuery()
+            ->getResult();
+    }
+
+    public function countByWallet(SmsWallet $wallet): int
+    {
+        return (int) $this->createQueryBuilder('t')
+            ->select('COUNT(t.id)')
+            ->where('t.wallet = :wallet')
+            ->setParameter('wallet', $wallet)
+            ->getQuery()
+            ->getSingleScalarResult();
+    }
+
+    public function save(SmsWalletTransaction $tx): void
+    {
+        $this->getEntityManager()->persist($tx);
+        $this->getEntityManager()->flush();
+    }
+}