add https://github.com/xujiajun/gorouter library (#1820)
add https://github.com/xujiajun/gorouter library (#1820)


Oire/awesome-go,sadlil/awesome-go,avelino/awesome-go,pconcepcion/awesome-go,jmelfi/awesome-go,theckman/awesome-go,chrislusf/awesome-go