Adds Atari 2600 and Lynx support to NextUI for the TrimUI Brick.
To install download atari.zip from the releases page and unzip to the root of your SD card. Obtain and place lynxboot.img into Bios/HANDY, and place your games in Roms/Atari 2600 (STELLA) and Roms/Atari Lynx (HANDY).