Add Redis flags to Registry readme. (#244)
Add Redis flags to Registry readme. (#244)

Update the Registry readme to include the redis settings.
amalgam8/amalgam8,kimikowang/istio_vms,craigyam/amalgam8,amalgam8/amalgam8,craigyam/amalgam8,amalgam8/amalgam8,amalgam8/amalgam8,kimikowang/istio_vms,kimikowang/istio_vms,craigyam/amalgam8,craigyam/amalgam8,JacobFrericks/amalgam8,ericvn/amalgam8,tomerGolany/amalgam8,amalgam8/amalgam8,kimikowang/istio_vms,kimikowang/istio_vms,tomerGolany/amalgam8,tomerGolany/amalgam8,JacobFrericks/amalgam8,craigyam/amalgam8,ericvn/amalgam8,ericvn/amalgam8,JacobFrericks/amalgam8