add simple script to generate a qrc containing all qml files

add script to find possible used icons in kirigami

add script to gen a qmltypes file

improve kirigami dir detection

fix target/library path in qmake project file

add kirigami icons as resource

update qml resource file

add dektopicon.{cpp,h} to pri file

this files are only needed for the desktop, so only add them on platform
is not ios and not android
use 'one line per file' style to make diff easier