A Remote displays section in the README with the three host kits; host/windows/README.md
and host/linux/README.md beside the Mac's; reference.md names frametop-2.0.0-2 for the
resolution switch; remote-displays.md is the design notes now. No machine names in hands/README.md.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
