xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
array.hpp	4d99525703 first commit	6 月之前
integer_sequence.hpp	4d99525703 first commit	6 月之前
integral_constant.hpp	4d99525703 first commit	6 月之前
pair.hpp	4d99525703 first commit	6 月之前
ratio.hpp	4d99525703 first commit	6 月之前
tuple.hpp	4d99525703 first commit	6 月之前
vector.hpp	4d99525703 first commit	6 月之前