StackFood Multi Restaurant - Food Ordering Restaurant App 8.0

-Made compatible with main system version 7.0
- Fixed some small issues
- Made compatible with Flutter version 3.10.5

- Made the Flutter apps compatible with Flutter null-safety
- Price showing issue solved in RTL
- Fixed some other small issues
- All apps compatible with Flutter version 3.7.10

- Compatible with main system version 6.2
- Compatible with flutter version 3.7.7

- Compatible with main version 6.1.0
- Force update managed from the admin panel
- Order cancellation reason
- Thermal printing option from app
- Coupon management
- Expense list for coupons and discounts
- Search tag for search improvement
- Fixed some other small issues
- Performance improved
- Compatible with flutter version 3.7.1