sslechoserver.pro Example File
sslechoserver/sslechoserver.pro
  QT       += core websockets
  QT       -= gui
  TARGET = sslechoserver
  CONFIG   += console
  CONFIG   -= app_bundle
  TEMPLATE = app
  SOURCES += \
      main.cpp \
      sslechoserver.cpp
  HEADERS += \
      sslechoserver.h
  EXAMPLE_FILES += sslechoclient.html
  RESOURCES += securesocketclient.qrc
  target.path = $$[QT_INSTALL_EXAMPLES]/websockets/sslechoserver
  INSTALLS += target