GlassIntroKit: a first-launch intro for SwiftUI apps, built with Liquid Glass and Metal

Hi all, I've released GlassIntroKit, a Swift package that adds a first-launch intro to a SwiftUI app on iOS 26 and macOS 26. When the app launches, your mark appears on frosted glass. On the first launch, a short welcome follows: the mark writes "hello" in glass, then turns into a sequence of pictures you choose (SF Symbols gathering around it, a ray-marched 3D scene, a small graph, nodes falling under rigid-body physics, an app icon, or a card of your own). It ends with a few words of your ...