Support for Swift Package Manager

[janlionly]

Swift Package Manager

• iOS: Open Xcode, File->Swift Packages, search input https://github.com/steipete/Aspects.git, and then select Version Up to Next Major 1.4.3 < .
• Or add dependencies in your Package.swift:

.package(url: "https://github.com/steipete/Aspects.git", .upToNextMajor(from: "1.4.3")),

Please git tag for this pull request.

[steipete]

Thank you!

I'm working on a replacement for Aspects: https://interposekit.com/ - it has SwiftPM support as well. Not sure yet what I do with this repo.