The following is capturing instructions on how to add custom naming for an Arduino Leonardo (or generic pro-micro) for my Arcade Controller device. I wanted to have a simple record so that when I inevitably come back to this someday I can recall how I accomplished this. Reference was taken from the following YouTube video (https://youtu.be/hoCOq9Ngp44?t=1156) at approximately 19m16s.
Create a new set of folders:
~\Documents\Arduino\hardware\daemonbite\avr
Copy everything from C:\Program Files (x86)\Arduino\hardware\arduino\avr to this new folder.