Package slick-greeter

• slick-greeter(8) — distro agnostic LightDM greeter
• slick-greeter-check-hidpi(1) — distro agnostic LightDM greeter
• slick-greeter-enable-tap-to-click(1) — enable tap-to-click
• slick-greeter-set-keyboard-layout(1) — switch keyboard layout