命令行：
# 预先安装
npm install -g create-react-app yarn
# 操作说明：https://allcontributors.org/docs/zh-cn/cli/usage
# 增加用户
yarn all-contributors add jfmengels code,doc
# 重构界面
yarn all-contributors （选第二个）Thanks goes to these wonderful people (emoji key):
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This project follows the all-contributors specification. Contributions of any kind welcome!