Update getting_started.md
Update getting_started.md

esatterwhite/skyring,uber/ringpop,hotrannam/ringpop,sasa233/ringpop,Collin-V/ringpop,esatterwhite/skyring,uber-node/ringpop-node,hj3938/ringpop,tomasdiez/ringpop,uber/ringpop-node,uber-node/ringpop-node,uber/ringpop-node