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.Application/OtpTokenCQ/Commands/VerifyOtpToken/VerifyOtpTokenCommandHandler.cs

@@ -62,7 +62,7 @@ public class VerifyOtpTokenCommandHandler : IRequestHandler<VerifyOtpTokenComman
             if (parent == null)
                 return new VerifyOtpTokenResponseDto() { Success = false, Message = "معرف وجود ندارد." };
 
-            if (await _context.Users.CountAsync(x => x.ParentId == parent.Id, cancellationToken: cancellationToken) > 1)
+            if (await _context.Users.CountAsync(x => x.NetworkParentId == parent.Id, cancellationToken: cancellationToken) > 1)
                 return new VerifyOtpTokenResponseDto() { Success = false, Message = "ظرفیت معرف تکمیل است!!" };
 
             user = new User
@@ -73,7 +73,7 @@ public class VerifyOtpTokenCommandHandler : IRequestHandler<VerifyOtpTokenComman
                 MobileVerifiedAt = now,
                 IsRulesAccepted = true,
                 RulesAcceptedAt = now,
-                ParentId = parent.Id
+                NetworkParentId = parent.Id
             };
             await _context.Users.AddAsync(user, cancellationToken);
             user.AddDomainEvent(new CreateNewUserEvent(user));