xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
attr.hpp	4d99525703 first commit	6 月之前
attr_cast.hpp	4d99525703 first commit	6 月之前
eoi.hpp	4d99525703 first commit	6 月之前
eol.hpp	4d99525703 first commit	6 月之前
eps.hpp	4d99525703 first commit	6 月之前
lazy.hpp	4d99525703 first commit	6 月之前