add 400% and 500% per request #40[1;5D

gnome 47

gnome 46

migrate preference screen to libadwaita (getPreferencesWidget => fill…

…PreferencesWindow)

last version to support gnome <= 44

dash2dock compatibility issue: increase hacky delay 50 => 500ms

gnome 44

do not get settings twice. pass in constructor instead

move to gnome 43

release github flow