Do you mean you want to add an icon that will show up under Applications? The way I do it is to create a .desktop
file under /home/cazo/.local/share/applications/
(which will show up for just 'cazo') or under /usr/local/share/applications/
(which will show up for all users).
You can look at the /usr/share/applications/*.desktop
files for examples, but it is basically just:
You can find more info at http://standards.freedesktop.org/des...y-spec/latest/