[GRASS-git] [OSGeo/grass] 0a6c95: Reference CONTRIBUTING.md file in README

[Vaclav Petras]

  Branch: refs/heads/reference-contributing-in-readme
  Home:   https://github.com/OSGeo/grass
  Commit: 0a6c957e4435bdd7baf1abe3f06455f5e1f716ab
      https://github.com/OSGeo/grass/commit/0a6c957e4435bdd7baf1abe3f06455f5e1f716ab
  Author: Vaclav Petras <wenzeslaus at gmail.com>
  Date:   2020-01-14 (Tue, 14 Jan 2020)

  Changed paths:
    M README.md

  Log Message:
  -----------
  Reference CONTRIBUTING.md file in README