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/DayaLoanCQ/Commands/ProcessDayaLoanApproval/ProcessDayaLoanApprovalCommandHandler.cs

@@ -31,7 +31,7 @@ public class ProcessDayaLoanApprovalCommandHandler : IRequestHandler<ProcessDaya
         }
         
         // ایجاد تراکنش با RefId = شماره قرارداد دایا
-        var transaction = new Transactions
+        var transaction = new Transaction
         {
             Amount = request.WalletAmount + request.LockedWalletAmount + request.DiscountWalletAmount, // 168 میلیون
             Description = $"دریافت اعتبار دایا - قرارداد {request.ContractNumber}",
@@ -41,7 +41,7 @@ public class ProcessDayaLoanApprovalCommandHandler : IRequestHandler<ProcessDaya
             Type = TransactionType.DepositExternal1
         };
         
-        await _context.Transactionss.AddAsync(transaction, cancellationToken);
+        await _context.Transactions.AddAsync(transaction, cancellationToken);
         await _context.SaveChangesAsync(cancellationToken);
         
         // یافتن یا ایجاد کیف پول کاربر
@@ -119,14 +119,14 @@ public class ProcessDayaLoanApprovalCommandHandler : IRequestHandler<ProcessDaya
         // تنظیم نحوه خرید پکیج به DayaLoan
         user.PackagePurchaseMethod = PackagePurchaseMethod.DayaLoan;
         
-        // ثبت سفارش پکیج طلایی
+        // ثبت سفارش پکیج (فعلاً پکیج طلایی)
         var goldenPackage = await _context.Packages
             .FirstOrDefaultAsync(p => p.Title.Contains("طلایی") || p.Title.Contains("Golden"), cancellationToken);
         
         if (goldenPackage != null)
         {
             // پیدا کردن آدرس پیش‌فرض کاربر
-            var defaultAddress = await _context.UserAddresss
+            var defaultAddress = await _context.UserAddresses
                 .Where(a => a.UserId == request.UserId)
                 .OrderByDescending(a => a.Created)
                 .FirstOrDefaultAsync(cancellationToken);