iOS SPM local package 추가하기 RangeSeekSlider

the manifest is missing a Swift tools version specification; consider prepending to the manifest'// swift-tools-version:5.5.0' to specify the current Swift toolchain version as the lowest Swift version supported by the project; if such a specification already exists, consider moving it to the top of the manifest, or prepending it with '//' to help Swift Package Manager find it in 오래된 라이브러리 중에서 S..

2022.02.14