Support external keyboard retro-illumination

[AlexPerathoner]

Before opening the issue, have you...?

• [X] Searched for existing issues

Is your feature request related to a problem? Please describe

External keyboards aren't recognised

Describe the solution you'd like

The hud to appear

Describe alternatives you've considered

No response

Anything else?

No response

[AlexPerathoner]

Prob related to #82