xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
adapters	4d99525703 first commit	6 月之前
alloc.h	4d99525703 first commit	6 月之前
async.h	4d99525703 first commit	6 月之前
hiredis.h	4d99525703 first commit	6 月之前
read.h	4d99525703 first commit	6 月之前
sds.h	4d99525703 first commit	6 月之前
sockcompat.h	4d99525703 first commit	6 月之前