Add validators and services for Product Galleries and Product Tags

- Implemented Create, Delete, Get, and Update validators for Product Galleries.
- Added Create, Delete, Get, and Update validators for Product Tags.
- Created service classes for handling Discount Categories, Discount Orders, Discount Products, Discount Shopping Cart, Product Categories, Product Galleries, and Product Tags.
- Each service class integrates with CQRS for command and query handling.
- Established mapping profiles for Product Galleries.

src/CMSMicroservice.Infrastructure/ConfigureServices.cs

@@ -34,28 +34,14 @@ public static class ConfigureServices
         services.AddScoped<IUserNotificationService, UserNotificationService>();
         services.AddScoped<IDayaLoanApiService, MockDayaLoanApiService>(); // Mock - جایگزین با Real برای Production
         
-        // Payment Gateway Service - برای Development از Mock استفاده می‌شود
-        // برای Production یکی از سرویس‌های واقعی را فعال کنید
+        // Payment Gateway Service - فقط Daya (درگاه اینترنتی از Gateway میاد نه CMS)
         var useRealPaymentGateway = configuration.GetValue<bool>("UseRealPaymentGateway", false);
         
         if (useRealPaymentGateway)
         {
-            var paymentProvider = configuration.GetValue<string>("PaymentProvider", "BankMellat");
-            
-            if (paymentProvider == "Daya")
-            {
-                services.AddHttpClient<IPaymentGatewayService, DayaPaymentService>()
-                    .SetHandlerLifetime(TimeSpan.FromMinutes(5));
-            }
-            else if (paymentProvider == "BankMellat")
-            {
-                services.AddHttpClient<IPaymentGatewayService, BankMellatPaymentService>()
-                    .SetHandlerLifetime(TimeSpan.FromMinutes(5));
-            }
-            else
-            {
-                throw new InvalidOperationException($"Invalid PaymentProvider: {paymentProvider}. Valid values: Daya, BankMellat");
-            }
+            // فقط Daya برای پرداخت به کاربران (Payout)
+            services.AddHttpClient<IPaymentGatewayService, DayaPaymentService>()
+                .SetHandlerLifetime(TimeSpan.FromMinutes(5));
         }
         else
         {