add golangci feature to guarantee codes quality (#2229)

example/httpserver/response_with_json_array/controller.go

@@ -9,6 +9,7 @@ import (
 type Req struct {
 	g.Meta `path:"/user" method:"get"`
 }
+
 type Res []Item
 
 type Item struct {

example/httpserver/swagger/main.go

@@ -12,6 +12,7 @@ type HelloReq struct {
 	g.Meta `path:"/hello" method:"get" sort:"1"`
 	Name   string `v:"required" dc:"Your name"`
 }
+
 type HelloRes struct {
 	Reply string `dc:"Reply content"`
 }