[Midnightbsd-cvs] [MidnightBSD/src] ab6f3d: document stable branch creation

[Lucas Holt]

  Branch: refs/heads/stable/3.0
  Home:   https://github.com/MidnightBSD/src
  Commit: ab6f3d1dffa77466dee86d3c1c854397f9f6e65a
      https://github.com/MidnightBSD/src/commit/ab6f3d1dffa77466dee86d3c1c854397f9f6e65a
  Author: Lucas Holt <luke at foolishgames.com>
  Date:   2022-11-04 (Fri, 04 Nov 2022)

  Changed paths:
    M UPDATING

  Log Message:
  -----------
  document stable branch creation