Clone
cd ~/.local/share/gnome-shell/extensions/
git clone git@github.com:hathach/gnome-shell-extension-ghstars.git github-stars@tinyusb.org
Debug
journalctl /usr/bin/gnome-shell -f
Apply
Restart GNOME Shell (Alt+F2, then type r and press Enter) if using XOrg
TODO
Draw stars icon instead of text