piper 0.6 Configure bindings and LEDs on gaming mice

Piper is a GTK+ application for configuring gaming mice with onboard configuration for key bindings via libratbag. Piper requires a ratbagd daemon running with root privileges. It can be run manually as root, but is preferably configured as a DBus service that can launch on demand. This can be configured by enabling the following service, provided there is a DBus service present:

(simple-service 'ratbagd dbus-root-service-type (list libratbag))