Update README.md

Author: SeonHyungJo

README.md

@@ -25,13 +25,13 @@ You can download the PDF and Epub version of this repository from the latest run
 ### Contributor
 
 <a href="https://github.com/SeonHyungJo" target="_blank" rel="nofollow">
-	<img src="https://avatars2.githubusercontent.com/u/24274424?s=60&v=4">
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 </a>
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-	<img src="https://avatars2.githubusercontent.com/u/24209005?s=60&v=4">
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 > * :clipboard: 본 문서는 [sudheerj](https://github.com/sudheerj)의 [reactjs-interview-questions](https://github.com/sudheerj/reactjs-interview-questions)의 번역본입니다.