xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
std	4d99525703 first commit	6 月之前
assignment_exception.hpp	4d99525703 first commit	6 月之前
list_inserter.hpp	4d99525703 first commit	6 月之前
list_of.hpp	4d99525703 first commit	6 月之前
ptr_list_inserter.hpp	4d99525703 first commit	6 月之前
ptr_list_of.hpp	4d99525703 first commit	6 月之前
ptr_map_inserter.hpp	4d99525703 first commit	6 月之前
std.hpp	4d99525703 first commit	6 月之前