[Checkins] [zopefoundation/Zope] 5e4f3c: Roadmap (#840)

[Jens Vagelpohl]

  Branch: refs/heads/4.x
  Home:   https://github.com/zopefoundation/Zope
  Commit: 5e4f3c49afd34031afa1f7772cf8700ff0392210
      https://github.com/zopefoundation/Zope/commit/5e4f3c49afd34031afa1f7772cf8700ff0392210
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2020-06-18 (Thu, 18 Jun 2020)

  Changed paths:
    M buildout.cfg
    M docs/index.rst
    A docs/roadmap.rst
    M versions.cfg

  Log Message:
  -----------
  Roadmap (#840)

* Add roadmap.

* Sketch a roadmap.

* Link to plone release schedule

* - need to pull in ``tempstorage`` in the ``docs`` setup extra to make it work

* - condense roadmap to better highlight the differences

Co-authored-by: Jens Vagelpohl <jens at netz.ooo>