xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
future_error.hpp	4d99525703 first commit	6 月之前
future_error_code.hpp	4d99525703 first commit	6 月之前
future_status.hpp	4d99525703 first commit	6 月之前
is_future_type.hpp	4d99525703 first commit	6 月之前
launch.hpp	4d99525703 first commit	6 月之前
wait_for_all.hpp	4d99525703 first commit	6 月之前
wait_for_any.hpp	4d99525703 first commit	6 月之前