xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		vor 9 Monaten
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cartesian	4d99525703 first commit	vor 9 Monaten
geographic	4d99525703 first commit	vor 9 Monaten
spherical	4d99525703 first commit	vor 9 Monaten
area.hpp	4d99525703 first commit	vor 9 Monaten
envelope.hpp	4d99525703 first commit	vor 9 Monaten
expand.hpp	4d99525703 first commit	vor 9 Monaten
relate.hpp	4d99525703 first commit	vor 9 Monaten