Changes to Contribute expert knowledge

added the new optional request property basis_quote

added the new optional request property valid_from

added the new optional header request parameter Idempotency-Key

added the new optional request property idempotency_key

added the non-success response with the status 409

added the optional property facts to the response with the 201 status

added the optional property facts_missing to the response with the 201 status

added the optional property partial to the response with the 201 status

added the optional property post_ingestion to the response with the 201 status

added the optional property replayed to the response with the 201 status

added the non-success response with the status 403

added the non-success response with the status 429

added the new optional request property tentative