[#3] docs: gitHub action 이미지 변경

README.md

@@ -27,7 +27,7 @@ http://bootion.kro.kr/
 | Front End | <img height="50" src="https://icongr.am/devicon/react-original.svg"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://miro.medium.com/max/2000/1*0SkjAGdVWYe4ja5Qu4DeJg.jpeg"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://raw.githubusercontent.com/emotion-js/emotion/master/emotion.png"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://icongr.am/devicon/webpack-original.svg"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://icongr.am/devicon/babel-original.svg"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://pbs.twimg.com/profile_images/1100804485616566273/sOct-Txm.png"/> |
 | Back End | <img height="50" src="https://icongr.am/devicon/express-original-wordmark.svg"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://icongr.am/devicon/mongodb-original.svg"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://nesoy.github.io/assets/posts/20170602/1.PNG"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://pbs.twimg.com/profile_images/821713465245102080/mMtKIMax.jpg"/> |
 | Production | <img height="50" src="https://icongr.am/devicon/nginx-original.svg"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://icongr.am/devicon/docker-original.svg"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://raw.githubusercontent.com/docker/compose/master/logo.png"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://www.ncloud.com/public/img/logo-m.png"/> |
-| CI / CD | <img height="50" src="https://i.morioh.com/2019/12/19/b2d58b5bee3c.jpg"/> |
+| CI / CD | <img height="50" src="https://img2.storyblok.com/672x0/f/79165/1200x630/ebb5571e69/github-action-01.png"/> |
 | SCM |  <img height="50" src="https://icongr.am/devicon/git-original.svg"/>&nbsp;&nbsp;&nbsp;<img height="50" src="https://icongr.am/devicon/github-original.svg"/> |
 
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