Vendor raylib C library + pyray Python bindings (CFFI) from commaai's
raylib and raylib-python-cffi forks.
Supports PLATFORM_DESKTOP (X11/GL) and PLATFORM_COMMA (DRM/EGL/GLES)
backends, auto-detected via /TICI.
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>