Open specification questions

[cmil]

PR #14 is a first attempt to solve the API consolidation issue. There are, however, several open questions:

• What is the scope property?
• Do we need a refs array for Author and Text when all we have in the TEI is a single ref attribute for each of them?
• Where do we encode yearWritten in the TEI?
• How do we calculate yearNormalized?
• How do we calculate the biodiversityIndex?
• How will the author gender be encoded in the TEI?
• What will be the agreed format of sourceDesc? This will determine how to extract the digitalSource and printedSource properties.

Originally posted by @cmil in https://github.com/EcoCor/ecocor-api/issues/13#issuecomment-1694788151