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.Domain/Enums/ManualPaymentStatus.cs

@@ -0,0 +1,27 @@
+namespace CMSMicroservice.Domain.Enums;
+
+/// <summary>
+/// وضعیت پرداخت دستی
+/// </summary>
+public enum ManualPaymentStatus
+{
+    /// <summary>
+    /// در انتظار تایید SuperAdmin
+    /// </summary>
+    Pending = 0,
+    
+    /// <summary>
+    /// تایید شده و اعمال شده
+    /// </summary>
+    Approved = 1,
+    
+    /// <summary>
+    /// رد شده
+    /// </summary>
+    Rejected = 2,
+    
+    /// <summary>
+    /// لغو شده توسط ایجادکننده
+    /// </summary>
+    Cancelled = 3
+}