Changes to get people who caption a family tree - the entry points for browsing family trees. Registered before the "{id}" route below (and constrained to int there) so this literal segment isn't swallowed as an id.

added the optional property items/aliases to the response with the 200 status

added the optional property items/gender to the response with the 200 status

added the optional property items/importance to the response with the 200 status

endpoint added