xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
ampere.hpp	4d99525703 first commit	6 月之前
candela.hpp	4d99525703 first commit	6 月之前
kelvin.hpp	4d99525703 first commit	6 月之前
kilogram.hpp	4d99525703 first commit	6 月之前
meter.hpp	4d99525703 first commit	6 月之前
mole.hpp	4d99525703 first commit	6 月之前
second.hpp	4d99525703 first commit	6 月之前