[GRASS-git] [OSGeo/grass-addons] 0bad17: explain how to activate crontab updates

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-addons
  Commit: 0bad172d19dccd30622b23187fe9784a3ef3d74c
      https://github.com/OSGeo/grass-addons/commit/0bad172d19dccd30622b23187fe9784a3ef3d74c
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-07-25 (Sat, 25 Jul 2020)

  Changed paths:
    M tools/cronjobs_osgeo_lxd/README.md

  Log Message:
  -----------
  explain how to activate crontab updates