feat(mall): 添加优惠券相关功能

KKSU

2025-01-08 d175d1a66a53a46f182316680afd8a9bf6314ea0

 src/main/java/cc/mrbird/febs/mall/entity/MallShoppingCart.java

@@ -23,6 +23,8 @@

    private Integer cnt;

    private Integer type;

    @TableField(exist = false)
    private MallGoods goods;