[GRASS-git] [OSGeo/grass] 8c3585: Contributing: clarifiy feature branch

[Markus Neteler]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 8c3585bbe26f06b90eb7cd82dcccf0df1058fd77
      https://github.com/OSGeo/grass/commit/8c3585bbe26f06b90eb7cd82dcccf0df1058fd77
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-09-03 (Thu, 03 Sep 2020)

  Changed paths:
    M CONTRIBUTING.md

  Log Message:
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  Contributing: clarifiy feature branch

more emphasis on "feature" branch (in order to distinguish it from our release branches)