xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
elem_128.hpp	4d99525703 first commit	6 月之前
elem_256.hpp	4d99525703 first commit	6 月之前
elem_64.hpp	4d99525703 first commit	6 月之前
size_128.hpp	4d99525703 first commit	6 月之前
size_256.hpp	4d99525703 first commit	6 月之前
size_64.hpp	4d99525703 first commit	6 月之前