docs: add sooyun429 as a contributor (#191)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

Diff for: .all-contributorsrc

@@ -351,6 +351,15 @@
       "contributions": [
         "translation"
       ]
+    },
+    {
+      "login": "sooyun429",
+      "name": "sooyun429",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/52682721?v=4",
+      "profile": "https://github.com/sooyun429",
+      "contributions": [
+        "translation"
+      ]
     }
   ],
   "contributorsPerLine": 8,

Diff for: README.md

@@ -1,7 +1,7 @@
 # TypeScript-Handbook 한글 문서
 
 [![Build Status](https://api.travis-ci.com/typescript-kr/typescript-kr.github.io.svg?branch=master)](https://travis-ci.com/github/typescript-kr/typescript-kr.github.io) <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-38-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-39-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 [![Release Date](https://img.shields.io/github/release-date/typescript-kr/typescript-kr.github.io)](https://github.com/typescript-kr/typescript-kr.github.io/releases)<!-- RELEASE-DATE-BADGE:END -->
 [![Stars](https://img.shields.io/github/stars/typescript-kr/typescript-kr.github.io)](https://github.com/typescript-kr/typescript-kr.github.io/stargazers)<!-- STARS-BADGE:END -->
@@ -75,6 +75,7 @@
     <td align="center"><a href="https://github.com/dhyoo99"><img src="https://avatars0.githubusercontent.com/u/55521320?v=4" width="80px;" alt=""/><br /><sub><b>Yoo Dahyoung</b></sub></a><br /><a href="#translation-dhyoo99" title="Translation">🌍</a></td>
     <td align="center"><a href="https://c11.kr/dyb0"><img src="https://avatars2.githubusercontent.com/u/27846161?v=4" width="80px;" alt=""/><br /><sub><b>annkimm</b></sub></a><br /><a href="#translation-annkimm" title="Translation">🌍</a></td>
     <td align="center"><a href="https://github.com/whoo3474"><img src="https://avatars3.githubusercontent.com/u/23617635?v=4" width="80px;" alt=""/><br /><sub><b>JeongMin Woo</b></sub></a><br /><a href="#translation-whoo3474" title="Translation">🌍</a></td>
+    <td align="center"><a href="https://github.com/sooyun429"><img src="https://avatars2.githubusercontent.com/u/52682721?v=4" width="80px;" alt=""/><br /><sub><b>sooyun429</b></sub></a><br /><a href="#translation-sooyun429" title="Translation">🌍</a></td>
   </tr>
 </table>