Update readme.md

add producthunt.

readme.md

@@ -10,6 +10,7 @@ English | [简体中文](readme-cn.md)
 [![Release](https://img.shields.io/github/v/release/zeromicro/go-zero.svg?style=flat-square)](https://github.com/zeromicro/go-zero)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![Discord](https://img.shields.io/discord/794530774463414292?label=chat&logo=discord)](https://discord.gg/4JQvC5A4Fe)
+<a href="https://www.producthunt.com/posts/go-zero?utm_source=badge-featured&utm_medium=badge&utm_souce=badge-go&#0045;zero" target="_blank"><img src="https://api.producthunt.com/widgets/embed-image/v1/featured.svg?post_id=334030&theme=light" alt="go&#0045;zero - A&#0032;web&#0032;&#0038;&#0032;rpc&#0032;framework&#0032;written&#0032;in&#0032;Go&#0046; | Product Hunt" style="width: 250px; height: 54px;" width="250" height="54" /></a>
 
 **Note: To meet the requirements of Open Source Foundation, we moved go-zero from tal-tech to zeromicro (a neutral GitHub organization).**