xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
cmath.hpp	4d99525703 first commit	6 月之前
complex.hpp	4d99525703 first commit	6 月之前
functional.hpp	4d99525703 first commit	6 月之前
memory.hpp	4d99525703 first commit	6 月之前
utility.hpp	4d99525703 first commit	6 月之前