Add star badge to README

README.md

@@ -4,6 +4,8 @@
 [![Go Report Card](https://goreportcard.com/badge/github.com/silenceper/wechat/v2)](https://goreportcard.com/report/github.com/silenceper/wechat/v2)
 [![pkg](https://img.shields.io/badge/dev-reference-007d9c?logo=go&logoColor=white&style=flat)](https://pkg.go.dev/github.com/silenceper/wechat/v2?tab=doc)
 ![GitHub release (latest SemVer)](https://img.shields.io/github/v/release/silenceper/wechat?sort=semver)
+![star](https://gitcode.com/silenceper/wechat/star/badge.svg)
+
 
 使用Golang开发的微信SDK，简单、易用。