xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
algebra	4d99525703 first commit	6 月之前
external	4d99525703 first commit	6 月之前
integrate	4d99525703 first commit	6 月之前
iterator	4d99525703 first commit	6 月之前
stepper	4d99525703 first commit	6 月之前
util	4d99525703 first commit	6 月之前
config.hpp	4d99525703 first commit	6 月之前
version.hpp	4d99525703 first commit	6 月之前