Extend appdata file with additional links and info
Extend appdata file with additional links and info

Also removed the GNOME project group, this is reserved for official GNOME applications that use the GNOME infrastructure

dsboger/tilix,gnunn1/terminix,gnunn1/tilix,dsboger/tilix,phw/terminix,gnunn1/tilix,gnunn1/tilix,gnunn1/terminix,phw/terminix