xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
async.hpp	4d99525703 first commit	6 月之前
cmd_or_exe.hpp	4d99525703 first commit	6 月之前
decl.hpp	4d99525703 first commit	6 月之前
env.hpp	4d99525703 first commit	6 月之前
error.hpp	4d99525703 first commit	6 月之前
group.hpp	4d99525703 first commit	6 月之前
wchar_t.hpp	4d99525703 first commit	6 月之前