Update README.md

Author: jeongY-Cho

docs/README.md

@@ -2,10 +2,12 @@
 [![Test Coverage](https://api.codeclimate.com/v1/badges/da79a4541613fa641d29/test_coverage)](https://codeclimate.com/github/Pogify/pogify-twitch-bot/test_coverage)
 ![David DM](https://david-dm.org/pogify/pogify-twitch-bot.svg)
 [![devDependencies Status](https://david-dm.org/pogify/pogify-twitch-bot/dev-status.svg)](https://david-dm.org/pogify/pogify-twitch-bot?type=dev)
+![CI](https://github.com/Pogify/pogify-twitch-bot/workflows/CI/badge.svg)
 
 [![Total alerts](https://img.shields.io/lgtm/alerts/g/Pogify/pogify-twitch-bot.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/Pogify/pogify-twitch-bot/alerts/)
 [![Language grade: JavaScript](https://img.shields.io/lgtm/grade/javascript/g/Pogify/pogify-twitch-bot.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/Pogify/pogify-twitch-bot/context:javascript)
 
+
 [![Pull Requests Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat)](http://makeapullrequest.com) 
 [![first-timers Friendly](https://img.shields.io/badge/first--timers-friendly-blue.svg)](http://www.firsttimersonly.com/)
 [![GitHub license](https://img.shields.io/github/license/pogify/pogify-twitch-bot.svg)](https://github.com/pogify/pogify-twitch-bot/blob/master/LICENSE)