xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
detail	4d99525703 first commit	6 月之前
impl	4d99525703 first commit	6 月之前
error.hpp	4d99525703 first commit	6 月之前
option.hpp	4d99525703 first commit	6 月之前
rfc6455.hpp	4d99525703 first commit	6 月之前
ssl.hpp	4d99525703 first commit	6 月之前
stream.hpp	4d99525703 first commit	6 月之前
stream_base.hpp	4d99525703 first commit	6 月之前
stream_fwd.hpp	4d99525703 first commit	6 月之前
teardown.hpp	4d99525703 first commit	6 月之前