xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		vor 6 Monaten
..
svg_mapper.hpp	4d99525703 first commit	vor 6 Monaten
write.hpp	4d99525703 first commit	vor 6 Monaten
write_svg.hpp	4d99525703 first commit	vor 6 Monaten
write_svg_multi.hpp	4d99525703 first commit	vor 6 Monaten