슬기로운 쿠폰생활

[main function]
-Membership favorites (up to 5)
-Favorite membership is displayed in the order of frequently used list.
-Automatic entry of coupon and membership barcode numbers using OCR
-Save coupon and membership image
-Coupon and membership barcode creation
-Coupon status output: Available, due date (10 days before the expiration date), until today, use, expiration date
-Search function by coupon category