Category "swift-package"

How do I make packages without version numbers work in Swift Playgrounds on the iPad?

I‘m trying to import the Swift package https://github.com/demharusnam/SwiftUIDrag into the playgrounds app on the iPad, but it won‘t work. I suspect

Swift Package Manager could not be resolved all libraries, project

This error always happens whenever I add a new Package via Swift Package Manager in Xcode: Cannot fetch library I've already configured my GitHub Auth Token