D27252: add maui index icon in pm style

[Mathis Brüchert]

mbruchert added a reviewer: VDG.

REPOSITORY
  R266 Breeze Icons

REVISION DETAIL
  https://phabricator.kde.org/D27252

To: mbruchert, camiloh, #vdg
Cc: kde-frameworks-devel, LeGast00n, cblack, GB_2, michaelh, ngraham, bruns