Update architecture_design.md
Update architecture_design.md

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