D6061: prototype of kactivity-based most used modules entries

[Marco Martin]

mart marked 2 inline comments as done.

REPOSITORY
  R124 System Settings

REVISION DETAIL
  https://phabricator.kde.org/D6061

To: mart, #plasma, #vdg
Cc: davidedmundson, abetts, plasma-devel, ZrenBot, spstarr, progwolff, 
lesliezhai, ali-mohamed, jensreuterberg, sebas, apol, mart, lukas