xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
detail	4d99525703 first commit	6 月之前
frame.hpp	4d99525703 first commit	6 月之前
safe_dump_to.hpp	4d99525703 first commit	6 月之前
stacktrace.hpp	4d99525703 first commit	6 月之前
stacktrace_fwd.hpp	4d99525703 first commit	6 月之前