xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
detail	4d99525703 first commit	6 月之前
support	4d99525703 first commit	6 月之前
member_at.hpp	4d99525703 first commit	6 月之前
mutant_relation.hpp	4d99525703 first commit	6 月之前
pair_layout.hpp	4d99525703 first commit	6 月之前
structured_pair.hpp	4d99525703 first commit	6 月之前
symmetrical_base.hpp	4d99525703 first commit	6 月之前