[GRASS-git] [OSGeo/grass] ed63aa: docker: fix README.md names (#984)

[Markus Neteler]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: ed63aab9e9f758982ac1157b9c20c3565bf0ffb3
      https://github.com/OSGeo/grass/commit/ed63aab9e9f758982ac1157b9c20c3565bf0ffb3
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-09-22 (Tue, 22 Sep 2020)

  Changed paths:
    A docker/alpine/README.md
    R docker/alpine/README_alpine.md
    A docker/debian/README.md
    R docker/debian/README_debian.md
    A docker/ubuntu/README.md
    R docker/ubuntu/README_ubuntu.md

  Log Message:
  -----------
  docker: fix README.md names (#984)