v5.0

(copied from CHANGELOG.md)

• add BullyGB:e24fe6fd7f (2021-02-26)
• add strikethrough:7cd01bf916 (2021-03-05)
• little-things-gb: add Telling LYs (2022-09-22)
• restructure readme: add a readme for each test suite
• remove age-test-roms/_in-progress as these tests are not finished yet
• add custom manual-only/sprite_priority screenshots (Mooneye Test Suite)
• add DMG screenshot for Blargg's oam_bug test
• refactor Blargg screenshots to use cgb-acid2 compatible colors
• adjust Blargg screenshots naming: use suffixes to indicate compatible Game Boy devices (e.g. <...>-dmg.png or <...>-cgb.png)