xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
connection_base.hpp	4d99525703 first commit	6 月之前
connector.hpp	4d99525703 first commit	6 月之前
handshaker.hpp	4d99525703 first commit	6 月之前
health_checker.hpp	4d99525703 first commit	6 月之前
helper.hpp	4d99525703 first commit	6 月之前
resolver.hpp	4d99525703 first commit	6 月之前
runner.hpp	4d99525703 first commit	6 月之前
write.hpp	4d99525703 first commit	6 月之前