68Keys PCB

[sweetsciencereigns]

Hey Folks

I'm in the process of building my first Keeb (68keys.io) and I love it, but I'm not sure if I need the following part for the MF68 PCB ... and if so what is it?
My guess is it is for the RGB lighting...

https://imgur.com/RoG5a9M

Cheers and thanks...