Xcode Server는 xcode상에서 기본으로 탑제되어 CI 자동화 기능을 담당해줍니다
http://monibu1548.github.io/2018/04/25/xcode-server-intro/
https://medium.com/@kihong09/xcode-server%EB%A5%BC-%EC%9D%B4%EC%9A%A9%ED%95%9C-%EC%9E%90%EB%8F%99-%EB%B0%B0%ED%8F%AC%EB%B0%A9%EB%B2%95-153da05a8be
https://developer.apple.com/library/archive/documentation/IDEs/Conceptual/xcode_guide-continuous_integration/index.html
https://www.raywenderlich.com/12258400-xcode-server-for-ios-getting-started