* 🆕 Added support for brand discounts in `CalculateOrderDiscountCommandHandler`
* 🏷️ Updated `DiscountCommands` class to include `BrandId` property
* 🏗️ Introduced `BrandDiscount` class in `Discount.Aggregate.cs` with `Create` method
* 🛠️ Modified `Order` class in `Order.Aggregate.cs` to handle `BrandId`
* 🏷️ Updated `OrderProduct` class in `Order.Aggregate.cs` to include `BrandId` property
* 🆕 Added `Brand` discount type to `DiscountType` enum
* ✨ Enhanced `CreateDiscountCommandHandler` and `UpdateDiscountCommandHandler` for brand discounts
* 🆕 Introduced `BrandDiscount` class in `BrandDiscount.cs` to represent brand-specific discounts
Changes made by Amir.h Khademi
-ADD FAST PRODUCT CREATE DIALOG
-Refactor page and layout and fix some responsive issues
-Refactor brand and product command and return Guid in response create
- NEW VERSION OF PRODUCT CATEGORIES PAGE
- Change products categories page style and ux
- Change icrud api rest and get guid in instead of dto or model