xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
projections	4d99525703 first commit	6 月之前
epsg.hpp	4d99525703 first commit	6 月之前
esri.hpp	4d99525703 first commit	6 月之前
iau2000.hpp	4d99525703 first commit	6 月之前
projection.hpp	4d99525703 first commit	6 月之前
shared_grids.hpp	4d99525703 first commit	6 月之前
shared_grids_boost.hpp	4d99525703 first commit	6 月之前
shared_grids_std.hpp	4d99525703 first commit	6 月之前
sphere.hpp	4d99525703 first commit	6 月之前
spheroid.hpp	4d99525703 first commit	6 月之前
srs.hpp	4d99525703 first commit	6 月之前
transformation.hpp	4d99525703 first commit	6 月之前