Would you like to contribute something easy to a little project?
My game-devices-udev is missing out some udev-rules already in steam-devices. This would be a good chance to kill some time and do some MR :D (and even learn git, markdown, udev in the process!)

Sync with steam-devices
https://github.com/ValveSoftware/steam-devices/blob/master/60-steam-input.rules - [x] Valve USB devices; 28de; * - [x] Steam Controller udev write access; *; * - [x] Valve HID devices over USB hidraw; 28de; * - [x] Valve HID devices over bluetooth hidraw; 28de; * - [x] DualShock 3 over USB...