adding a code skeleton

added a client.cpp and a server.cpp, and wrote up a little skeleton for
each
Revert "adding a code skeleton"

This reverts commit fe1e1b7259b08722421057650db97110009818d3.
Revert "Revert "adding a code skeleton""

This reverts commit ddb1a268fcd83f42ed43eb286e871c52aa5c5768.