Add data exchange between websocket server and client to the websocket_client example
Add data exchange between websocket server and client to the websocket_client example

GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver