Revision control
++ QT += quick quick3d
++
++ target.path = $$[QT_INSTALL_EXAMPLES]/quick3d/principledmaterial
++ INSTALLS += target
++
++ SOURCES += \
++ main.cpp \
++ imagehelper.cpp
++
++ HEADERS += \
++ imagehelper.h
++
++ RESOURCES += \
++ assets.qrc \
++ qml.qrc
++
++ OTHER_FILES += \
++ doc/src/*.*
++
++ CONFIG += qmltypes
++
++ QML_IMPORT_NAME = Example
++ QML_IMPORT_MAJOR_VERSION = 1