Have the same issue here.
AlexanderReinicke
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Post
Replies
Boosts
Views
Activity
Unfortunately, there is no way to convert the Xcode project to playgrounds automatically. You might consider creating a swift playgrounds project in Xcode, and then copy pasting the files from the initial project into the new one. You will also have to specify that you want the app to be tested on the iPad. If you need any further assistance, I’m here to help.