Add license - MIT

+MIT License
+
+Copyright (c) 2022 Junseok Yoon
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file

@@ -48,14 +48,20 @@
 프로젝트에 기여하고 싶으신 분들은 아래 절차를 따라주시기 바랍니다.
 
 1. 프로젝트 fork
-2. feature branch 생성 (git checkout -b feature/n-name) (프로젝트 feature를 구분하기 위해 feature name 앞에 숫자를 넣습니다.)
+2. feature branch 생성 (git checkout -b feature/name)
 3. commit (git commit -m "Add feature)
-4. push (git push origin feature/n-name)
+4. push (git push origin feature/name)
 5. pull request 생성
 
+## License
+
+---
+
+MIT 라이센스 아래 사용 가능합니다. LICENSE.txt를 통해 자세한 정보를 확인하세요.
+
 ## Contact
 
 ---
 
-- 유명현, mhlew0106@khu.ac.kr
-- 윤준석, phobyjun@gmail.com
+- 유명현: mhlew0106@khu.ac.kr
+- 윤준석: phobyjun@khu.ac.kr