[Checkins] [zopefoundation/Zope] 946b3c: - add a requirements file for ReadTheDocs

[Jens Vagelpohl]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: 946b3cdfe11fe33f2b437c63281dd49a687f0066
      https://github.com/zopefoundation/Zope/commit/946b3cdfe11fe33f2b437c63281dd49a687f0066
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-04-07 (Sun, 07 Apr 2019)

  Changed paths:
    A requirements-rtd.txt

  Log Message:
  -----------
  - add a requirements file for ReadTheDocs