[GRASS-git] [OSGeo/grass-addons] 9f238c: Convert README to markdown with some updates (#2)

[Stefan Blumentrath]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-addons
  Commit: 9f238cb3f69faf5ac831c69ab0fb87f414d78f6e
      https://github.com/OSGeo/grass-addons/commit/9f238cb3f69faf5ac831c69ab0fb87f414d78f6e
  Author: Stefan Blumentrath <stefan.blumentrath at gmx.de>
  Date:   2019-05-27 (Mon, 27 May 2019)

  Changed paths:
    A README.md

  Log Message:
  -----------
  Convert README to markdown with some updates (#2)

* initial git adjustments

* some format improvements

* Add possibility of PRs