D27224: add Kongress icon

[Mathis Brüchert]

mbruchert added a reviewer: dkardarakos.

REPOSITORY
  R266 Breeze Icons

REVISION DETAIL
  https://phabricator.kde.org/D27224

To: mbruchert, dkardarakos
Cc: kde-frameworks-devel, LeGast00n, cblack, GB_2, michaelh, ngraham, bruns