LED configuration tool for Logitech Gx10 keyboards

 g810-led is a configuration tool for the LEDs on Logitech Gx10 gaming
 keyboards: G213, G410, G413, G512, G513, G610, G810, G815, G910, and
 G Pro.
 .
 The LEDs can be configured in a variety of ways, depending on the
 keyboards' capabilities:
 .
  * pre-defined effects (breathing, colour-cycling, waves)
  * individual key colours and/or intensities
  * key group colours and/or intensities