https://github.com/minsOne/swift-style-guide/blob/master/README_KR.md
https://github.com/github/swift-style-guide
https://github.com/linkedin/swift-style-guide
https://github.com/StyleShare/swift-style-guide
https://github.com/swift-kr/swift-style-guide-raywenderlich/blob/master/ko_style_guide.md