Megapixels theme for SimpleMenu

This theme was inspired by ehettervik's Regular Pixel theme for EmulationStation, and created for the SimpleMenu front-end on the RG350.

Changelog

• Sep 2, 2021 - Revision 3
  • Major update to support SimpleMenu v10.1-
• Apr 14, 2020 - Revision 2
  • Added system images for traditional layout
• Apr 14, 2020 - Revision 1
  • Initial release