document the relationships to other schemas, e.g. input is derived from bioschemas:input -- I forgot the formal name for tagging this relationship. it's like sameAs, but I don't think that's the right name.
Should be maintained in a single place, so that updating in one place also updates the ES mapping file, the .json-schema validation source, the documentation on data.niaid.nih.gov, and the Data Discovery Engine schemas