D22973: docs: introduce commit message guideline

zzag added a comment.


  In D22973#509887 <https://phabricator.kde.org/D22973#509887>, @romangg wrote:
  
  > I don't really follow this argument
  
  
  The prefix is not part of a proper sentence. It has a bit special purpose, we just use a colon to separate it from the rest of subject line. Therefore, we can follow our own rules.
  
  I prefer to capitalize the "subject" because this way it's much easier to spot where the actual short description of a change begins when browsing git log.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D22973

To: romangg, #kwin
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