I have discount feature, this feature has 3 types:
1. coupon : to get this discount, customers must have a coupon code.
2. offers : discount type for a certain period of time such as Christmas etc.
3. promotion : to get this discount, there are conditions that customers must fulfill, the system is like buy 1 get 1 or buy 2 get 50% off
give me best ui to displaying these discounts | A shadcn/ui and v0 generation - v0
