Add quiescence notes to README
Add quiescence notes to README

mehulsbhatt/envconsul,msabramo/envconsul,bounceexchange/envconsul,hashicorp/envconsul,daxko/envconsul,x-cray/envconsul,kalistace/envconsul,x-cray/envconsul,kalistace/envconsul,hashicorp/envconsul,bounceexchange/envconsul