xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
cartesian	4d99525703 first commit	6 月之前
geographic	4d99525703 first commit	6 月之前
spherical	4d99525703 first commit	6 月之前
area.hpp	4d99525703 first commit	6 月之前
envelope.hpp	4d99525703 first commit	6 月之前
expand.hpp	4d99525703 first commit	6 月之前
relate.hpp	4d99525703 first commit	6 月之前