Update README.md

Author: iComputerfreak

README.md

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 An iOS app that shows the departure times of your favorite KVV stops.
 
 This app is written with SwiftUI. You need Xcode 11 and iOS 13 to run it.
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+## Licensing
+This project is licensed under the MIT License together with the proprietary [Commons Clause License](https://commonsclause.com).
+For questions or inquiries, feel free to contact me at [[email protected]](mailto:[email protected]).