feat: integrated Alipay payment module

api/store/model/product.go

@@ -0,0 +1,14 @@
+package model
+
+// Product 充值产品
+type Product struct {
+	BaseModel
+	Name     string
+	Price    float64
+	Discount float64
+	Days     int
+	Calls    int
+	Enabled  bool
+	Sales    int
+	SortNum  int
+}