xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
adaptors	4d99525703 first commit	6 月之前
detail	4d99525703 first commit	6 月之前
distance_predicates.hpp	4d99525703 first commit	6 月之前
equal_to.hpp	4d99525703 first commit	6 月之前
indexable.hpp	4d99525703 first commit	6 月之前
inserter.hpp	4d99525703 first commit	6 月之前
parameters.hpp	4d99525703 first commit	6 月之前
predicates.hpp	4d99525703 first commit	6 月之前
rtree.hpp	4d99525703 first commit	6 月之前