slapo-rwm(5) on macOS

The text fa6a5a78ab4c, as Mac OS X 10.6.8, Mac OS X 10.6.7, Mac OS X 10.6.6, Mac OS X 10.6.5, Mac OS X 10.6.4, Mac OS X 10.6.3, Mac OS X 10.6.2, Mac OS X 10.6.1, Mac OS X 10.6 shipped it.

rewrite/remap overlay to slapd

slapo-rwm(5) on macOS now