iOS13 이후 시스템 이미지 접근하기 - kirseia/study GitHub Wiki UIImage(systemName:) 이 추가 됨 https://developer.apple.com/design/human-interface-guidelines/sf-symbols/overview/ https://www.hackingwithswift.com/example-code/uikit/how-to-use-system-icons-in-your-app