simpletextviewer.pro Example File
simpletextviewer/simpletextviewer.pro
  HEADERS       = mainwindow.h \
                  findfiledialog.h \
                  assistant.h \
                  textedit.h
  SOURCES       = main.cpp \
                  mainwindow.cpp \
                  findfiledialog.cpp \
                  assistant.cpp \
                  textedit.cpp
  QT += widgets
  target.path = $$[QT_INSTALL_EXAMPLES]/assistant/simpletextviewer
  docs.files += $$PWD/documentation
  docs.path = $$target.path
  INSTALLS += target docs