Added support for GBP palettes and SGB borders

What's Changed

1. Added a matching GBP palette file for each PAL file (Analogue Pocket palette file) so they can be used with Budude2's GB core
2. Added SGB border files and matching PNG files (where we had them) from a few different collections.
   • TheWolfBunny64
   • Retro RGB
   • Espiox
   • VGMuseum.com
3. Fixed some file names that had odd characters.

Full Changelog: 2024.08.30...2024-09-14