: https://velog.io/@raram2/dl-dt-dd%EB%8A%94-%EC%96%B8%EC%A0%9C-%EC%93%B0%EB%8A%94-%EA%B1%B8%EA%B9%8C
: https://www.eastflag.co.kr/frontend/frontend-webpack/webpack-%EC%97%90%EC%84%9C-%EC%9D%B4%EB%AF%B8%EC%A7%80-%EC%B2%98%EB%A6%AC/
https://velog.io/@devmin/kakao-login-basic
https://m.blog.naver.com/PostView.nhn?blogId=hjinha2&logNo=221176502285&proxyReferer=https:%2F%2Fwww.google.com%2F
https://medium.com/@panicrooms0/%EC%B9%B4%EC%B9%B4%EC%98%A4-kakao-%EB%A1%9C%EA%B7%B8%EC%9D%B8-login-api-%EC%97%B0%EB%8F%99%ED%95%98%EA%B8%B0-js-javascript-d12aac495da