add ad link

add ad link

README.md

@@ -1,3 +1,8 @@
+<a href="https://tracking.gitads.io/?repo=gormt"> 
+<img src="https://images.gitads.io/gormt" alt="GitAds"/> 
+</a>
+
+
 [![Build Status](https://travis-ci.org/xxjwxc/gormt.svg?branch=master)](https://travis-ci.org/xxjwxc/gormt)
 [![Go Report Card](https://goreportcard.com/badge/github.com/xxjwxc/gormt)](https://goreportcard.com/report/github.com/xxjwxc/gormt)
 [![GoDoc](https://godoc.org/github.com/xxjwxc/gormt?status.svg)](https://godoc.org/github.com/xxjwxc/gormt)
@@ -5,10 +10,6 @@
  
 ## [中文文档](README_zh_cn.md)
 
-<a href="https://tracking.gitads.io/?repo=gormt"> 
-<img src="https://images.gitads.io/gormt" alt="GitAds"/> 
-</a>
-
 ###  mysql database to golang struct conversion tools base on [gorm](https://github.com/jinzhu/gorm)，You can automatically generate golang sturct from mysql database. big Camel-Case Name Rule, JSON tag.