D3474: Sample implementation of window tabbing in breeze

[Chinmoy Ranjan Pradhan]

chinmoyr abandoned this revision.

REPOSITORY
  R31 Breeze

REVISION DETAIL
  https://phabricator.kde.org/D3474

To: chinmoyr, #plasma, #kwin
Cc: hpereiradacosta, plasma-devel, kwin, ZrenBot, progwolff, lesliezhai, 
ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart, lukas