新增自定义数据库映射类型 LocalDateTime，完善套餐查询接口

cmd/playground/main.go

@@ -1,7 +1,14 @@
 package main
 
+import (
+	"fmt"
+	"time"
+)
+
 func main() {
-	for i := range 3 {
-		println(i)
+	parse, err := time.Parse(time.RFC3339, "2025-04-16T16:00:00.000Z")
+	if err != nil {
+		return
 	}
+	fmt.Printf("%x\n", parse)
 }