Embedded Desktop Services Demonstration

文件：

• demos/embedded/desktopservices/contenttab.cpp
• demos/embedded/desktopservices/contenttab.h
• demos/embedded/desktopservices/desktopwidget.cpp
• demos/embedded/desktopservices/desktopwidget.h
• demos/embedded/desktopservices/linktab.cpp
• demos/embedded/desktopservices/linktab.h
• demos/embedded/desktopservices/resources/heart.svg
• demos/embedded/desktopservices/main.cpp
• demos/embedded/desktopservices/desktopservices.pro
• demos/embedded/desktopservices/desktopservices.qrc