Sibling links (hardware<->firmware) now resolve within restoration/;
links to RIOjoy's PROTOCOL.md and Win32RIO/ (which stayed in the RIOjoy
repo) point to gitea web URLs.
Board photos, scanned schematics, and GAL fuse-map decode of the
physical RIO board set.
git-subtree-dir: restoration/rio-hardware
git-subtree-mainline: def5840e07
git-subtree-split: 42b3944ebe
Cyd