libraries-and-tools: add Nim client
libraries-and-tools: add Nim client

sinsharat/etcd,jlamillan/etcd,OyTao/etcd_learning,etcd-io/etcd,insequent/etcd,etcd-io/etcd,akauppi/etcd,handsomesun/etcd,yudai/etcd,armstrongli/etcd,mqliang/etcd,lumjjb/etcd,li-ang/etcd,sinsharat/etcd,tguangch/etcd,jlamillan/etcd,bdarnell/etcd,gyuho/etcd,ravigadde/etcd,fanminshi/etcd,a-robinson/etcd,qqsun8819/etcd,mqliang/etcd,akauppi/etcd,hongchaodeng/etcd,bdarnell/etcd,CrazyJvm/etcd,coreos/etcd,whuwxl/etcd,heyitsanthony/etcd,lorneli/etcd,sebrandon1/etcd,ajityagaty/etcd,yudai/etcd,whuwxl/etcd,insequent/etcd,cockroachdb/etcd,gyuho/etcd,plasticbox/etcd,cockroachdb/etcd,rnaveiras/etcd,ravigadde/etcd,rchicoli/etcd,heyitsanthony/etcd,mkumatag/etcd,dannysauer/etcd,qqsun8819/etcd,endocode/etcd,endocode/etcd,mickep76/etcd,armstrongli/etcd,YuleiXiao/etcd,rchicoli/etcd,li-ang/etcd,glevand/coreos--etcd,mickep76/etcd,mkumatag/etcd,glevand/coreos--etcd,coreos/etcd,mqliang/etcd,vimalk78/etcd,joshix/etcd,CrazyJvm/etcd,OyTao/etcd_learning,joshix/etcd,visheshnp/etcd,xiang90/etcd,lumjjb/etcd,dannysauer/etcd,YuleiXiao/etcd,bluebreezecf/etcd,ajityagaty/etcd,a-robinson/etcd,rnaveiras/etcd,fanminshi/etcd,ajityagaty/etcd,bluebreezecf/etcd,handsomesun/etcd,sebrandon1/etcd,tguangch/etcd,hongchaodeng/etcd,plasticbox/etcd,visheshnp/etcd,mkumatag/etcd,vimalk78/etcd,lorneli/etcd,rnaveiras/etcd,etcd-io/etcd,xiang90/etcd