feat: integrate insurance coverage management for clinic services

- Updated NewSessionPage to calculate patient share based on insurance coverage rules.
- Refactored billing calculations to utilize new patientShareOf function for service items.
- Enhanced API documentation to reflect changes in service coverage structure.
- Implemented ServiceInsuranceModal for managing insurance coverage per service.
- Added UI components for displaying and editing insurance coverage details.
- Removed obsolete toggle switch styles and adjusted CSS for new components.
- Ensured backend endpoints support both service_item_id and service_item_uuid for flexibility.

src/ClinicService/Entity/ServiceItem.php

@@ -84,6 +84,9 @@ class ServiceItem
             'section_uuid' => $this->section->getUuid(),
             'staff_uuid'   => $this->staff?->getUuid(),
             'staff_name'   => $this->staff?->getFullName(),
+            'staff'        => $this->staff !== null
+                ? ['uuid' => $this->staff->getUuid(), 'full_name' => $this->staff->getFullName()]
+                : null,
             'name'         => $this->name,
             'price_rials'  => $this->priceRials,
             'active'       => $this->active,