DOC: Add known RunStop fields as optional params
DOC: Add known RunStop fields as optional params

ericdill/databroker,ericdill/databroker,hhslepicka/metadatastore,NSLS-II/metadatastore,arkilic/metadatastore,tacaswell/metadataStore,arkilic/metadatastore,tacaswell/metadataStore,NSLS-II/metadatastore,hhslepicka/metadatastore