refactor: restructure purchase receipts module and related workflows

- Removed old DTOs for creating and updating purchase receipts.
- Updated purchase receipts controller and service to use new DTOs and workflows.
- Introduced transaction helper for managing database transactions.
- Added new workflows for handling purchase receipt payments and supplier ledgers.
- Implemented new logic for managing purchase receipt items and payments.
- Enhanced error handling for payment processing in workflows.
- Updated supplier ledger management to reflect changes in purchase receipts.

src/modules/purchase-receipts/purchase-receipt-items/dto/create-purchase-receipt-item.dto.ts

@@ -0,0 +1,25 @@
+import { Type } from 'class-transformer'
+import { IsNotEmpty, IsNumber, Min } from 'class-validator'
+
+export class CreatePurchaseReceiptItemDto {
+  @Type(() => Number)
+  @IsNumber()
+  @Min(0)
+  count: number
+
+  @Type(() => Number)
+  @IsNumber()
+  @Min(0)
+  unitPrice: number
+
+  @Type(() => Number)
+  @IsNumber()
+  @Min(0)
+  totalAmount: number
+
+  @Type(() => Number)
+  @IsNotEmpty()
+  productId: number
+
+  description?: string
+}