docs: add issues-helper badge (#512)

* Update README.md

* Update README-zh_CN.md

Author: xrkffgg

packages/babel-plugin-jsx/README-zh_CN.md

@@ -1,6 +1,7 @@
 # Vue 3 Babel JSX 插件
 
 [![CircleCI](https://circleci.com/gh/vuejs/jsx-next.svg?style=svg)](https://circleci.com/gh/vuejs/vue-next) [![npm package](https://img.shields.io/npm/v/@vue/babel-plugin-jsx.svg?style=flat-square)](https://www.npmjs.com/package/@vue/babel-plugin-jsx)
+[![issues-helper](https://img.shields.io/badge/Issues%20Manage%20By-issues--helper-orange?style=flat-square)](https://github.com/actions-cool/issues-helper)
 
 以 JSX 的方式来编写 Vue 代码
 

packages/babel-plugin-jsx/README.md

@@ -1,6 +1,7 @@
 # Babel Plugin JSX for Vue 3.0
 
 [![CircleCI](https://circleci.com/gh/vuejs/jsx-next.svg?style=svg)](https://circleci.com/gh/vuejs/vue-next) [![npm package](https://img.shields.io/npm/v/@vue/babel-plugin-jsx.svg?style=flat-square)](https://www.npmjs.com/package/@vue/babel-plugin-jsx)
+[![issues-helper](https://img.shields.io/badge/Issues%20Manage%20By-issues--helper-blueviolet?style=flat-square)](https://github.com/actions-cool/issues-helper)
 
 To add Vue JSX support.