xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
exclusive_scan.hpp	4d99525703 first commit	6 月之前
for_each_n.hpp	4d99525703 first commit	6 月之前
inclusive_scan.hpp	4d99525703 first commit	6 月之前
reduce.hpp	4d99525703 first commit	6 月之前
transform_exclusive_scan.hpp	4d99525703 first commit	6 月之前
transform_inclusive_scan.hpp	4d99525703 first commit	6 月之前
transform_reduce.hpp	4d99525703 first commit	6 月之前