xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
concepts	4d99525703 first commit	6 月之前
register	4d99525703 first commit	6 月之前
multi_geometries.hpp	4d99525703 first commit	6 月之前
multi_linestring.hpp	4d99525703 first commit	6 月之前
multi_point.hpp	4d99525703 first commit	6 月之前
multi_polygon.hpp	4d99525703 first commit	6 月之前