feat: enhance staff management and payment gateway features

- Fix national code handling in staff creation and updates to support Persian digits.
- Update ClinicStaff entity to allow longer national codes (up to 15 characters).
- Implement support for clinic secretaries in SecretaryController, allowing creation without a doctor UUID.
- Add a new endpoint to retrieve doctors associated with a clinic for secretary management.
- Improve appointment management by ensuring doctors are selectable even when no appointments exist.
- Extend PatientController to allow secretaries to create patient records if they have the appropriate permissions.
- Introduce a PriceInput component for better price formatting in forms, supporting Persian digits.
- Add a MockGateway for testing payment processes without real transactions.
- Enhance SMS settings management with an approval flow for post-visit text messages, including new fields for pending text and status.
- Update migrations to reflect changes in database schema for national codes and SMS settings.

src/Config/Repository/SiteConfigRepository.php

@@ -16,6 +16,19 @@ class SiteConfigRepository extends ServiceEntityRepository
         'support_phone'              => '',
         'max_cancel_hours_before'    => '24',
         'appointment_reminder_hours' => '2',
+        // payment gateways
+        'payment_test_mode'          => '0',
+        'mellat_terminal_id'         => '',
+        'mellat_username'            => '',
+        'mellat_password'            => '',
+        'sep_terminal_id'            => '',
+        // sms provider
+        'sms_provider'               => 'kavenegar',
+        'kavenegar_api_key'          => '',
+        'kavenegar_sender'           => '',
+        'rangineh_api_key'           => '',
+        'rangineh_sender'            => '',
+        'sms_price_rials'            => '500',
     ];
 
     public function __construct(ManagerRegistry $registry)