fix: correct Pokemon Red/Blue CGB palette RGB555 values#48

eddmann merged 1 commit intomaineddmann/phpboy:mainfrom

claude/investigate-rgb-palette-differences-011CV4ePqKDi5DXvcLHAxm3zeddmann/phpboy:claude/investigate-rgb-palette-differences-011CV4ePqKDi5DXvcLHAxm3zCopy head branch name to clipboard