Sourcetrail Flatpak Request

Project information: Sourcetrail is a free and open-source cross-platform source explorer that helps you get productive on unfamiliar source code.

Name: Sourcetrail
Homepage: https://www.sourcetrail.com
License: https://github.com/CoatiSoftware/Sourcetrail/blob/master/LICENSE.txt
Upstream has been contacted: https://github.com/CoatiSoftware/Sourcetrail/issues/961