So you must do twice like this :
Thanks @rfc2822 for your work!
First of all, thanks for this great app which I’m using since more than a year now and I’ve never had any complaints about it.
However, I am missing an import/export calendar sources feature, e.g when I want to add the same calendar sources to several phones for my family. Would be great if such a functionality could be added, also I would be happy to help in the development if help is needed.