add validator

handler/handler.go

@@ -1,7 +1,11 @@
 package handler
 
-import "gorm.io/gorm"
+import (
+	"github.com/go-playground/validator/v10"
+	"gorm.io/gorm"
+)
 
 type Handler struct {
-	DB *gorm.DB
+	DB        *gorm.DB
+	Validator *validator.Validate
 }