* feat: implement UAVCAN LED control for individual light control and assignment
* uavcan led: nit-picks from review
* uavcan led: reduce maximum number of lights
to avoid unused parameters
* uavcan led: simplify anticolision on check
* uavcan led: correctly map 8-bit RGB to rgb565
* Trim param name character arrays to 17
16 characters + \0 termination
* uavcan led: final nit-picks
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Co-authored-by: Matthias Grob <maetugr@gmail.com>