↓このあたりに対応してくれれば Carthage を使う必要はなくなる？ https://github.com/apple/swift-evolution/blob/main/proposals/0271-package-manager-resources.md https://github.com/apple/swift-evolution/blob/main/proposals/0272-swiftpm-binary-dependencies.md https://github.com/apple/swift-evolution/blob/main/proposals/0278-package-manager-localized-resources.md