[mapserver-commits] [MapServer/MapServer] 68fd62: change migration guide to markdown (#6820)

[Jeff McKenna]

  Branch: refs/heads/main
  Home:   https://github.com/MapServer/MapServer
  Commit: 68fd623eddc772137952509a8008209a02cd1e85
      https://github.com/MapServer/MapServer/commit/68fd623eddc772137952509a8008209a02cd1e85
  Author: Jeff McKenna <jmckenna at gatewaygeomatics.com>
  Date:   2023-02-05 (Sun, 05 Feb 2023)

  Changed paths:
    A MIGRATION_GUIDE.md
    R MIGRATION_GUIDE.txt

  Log Message:
  -----------
  change migration guide to markdown (#6820)