add steward as load test client for nyms
add steward as load test client for nyms

keenondrums/sovrin-node,spivachuk/sovrin-node,spivachuk/sovrin-node,TechWritingWhiz/indy-node,TechWritingWhiz/indy-node,spivachuk/sovrin-node,keenondrums/sovrin-node,TechWritingWhiz/indy-node,keenondrums/sovrin-node,spivachuk/sovrin-node,TechWritingWhiz/indy-node