add notes

internal/handlers/request/order.go

@@ -95,6 +95,7 @@ type OrderItem struct {
 	ProductID   int64  `json:"product_id" validate:"required"`
 	Quantity    int    `json:"quantity" validate:"required"`
 	Description string `json:"description"`
+	Notes       string `json:"notes"`
 }
 
 func (o *Order) ToEntity(partnerID, createdBy int64) *entity.OrderRequest {
@@ -162,6 +163,7 @@ func (o *OrderCustomer) ToEntity(partnerID, createdBy int64) *entity.OrderReques
 			ProductID:   item.ProductID,
 			Quantity:    item.Quantity,
 			Description: item.Description,
+			Notes:       item.Notes,
 		}
 	}