[Linux] vi colors

https://medium.com/sunhyoups-story/vim-%EC%97%90%EB%94%94%ED%84%B0-%EC%9D%B4%EC%81%98%EA%B2%8C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-5b6b8d546017