https://imgur.com/gallery/lnJv9nj The PCB I have is one of the ones with six buttons on the front. It has small openings for L1 and R1, but none for L2 and R2. I’d like to add L2 and R2 using two tactile buttons through the screw posts on the back. or maybe even have the L1, L2, and R1, R2 on the ba...