logicp/ws_server: Websocket server written in C++

logicp 5ded4b6e85 removed unnecessary imports		4 gadi atpakaļ
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listen_interface.hpp	5ded4b6e85 removed unnecessary imports	4 gadi atpakaļ
send_interface.hpp	e1fa3c4d4e switching to using unsigned ints	4 gadi atpakaļ