xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
detail	4d99525703 first commit	6 月之前
config.hpp	4d99525703 first commit	6 月之前
convenience.hpp	4d99525703 first commit	6 月之前
cstdio.hpp	4d99525703 first commit	6 月之前
directory.hpp	4d99525703 first commit	6 月之前
exception.hpp	4d99525703 first commit	6 月之前
file_status.hpp	4d99525703 first commit	6 月之前
fstream.hpp	4d99525703 first commit	6 月之前
operations.hpp	4d99525703 first commit	6 月之前
path.hpp	4d99525703 first commit	6 月之前
path_traits.hpp	4d99525703 first commit	6 月之前