Package the app with the AppImage

[zshamrock]

https://appimage.org and put into the mentioned below lists

https://appimage.github.io/apps/ (requires to open the PR with the corresponding entry)
https://bintray.com/probono/AppImages

[probonopd]

https://docs.appimage.org/ has the docs. Let me know if you need assistance.

[zshamrock]

Great, thank you!