Clarify that the client IDs and secrets in the YAML file are only necessary if not using the UI.
Clarify that the client IDs and secrets in the YAML file are only necessary if not using the UI.

smalldatalab/omh-shims,smalldatalab/omh-shims,openmhealth/shimmer,openmhealth/shimmer,openmhealth/shimmer,Marc-Calis/shimmer,Marc-Calis/shimmer,smalldatalab/omh-shims,Marc-Calis/shimmer,openmhealth/shimmer,smalldatalab/omh-shims,Marc-Calis/shimmer