add a `tags` field to the bib so we can keep track of research themes. the `keywords` field is a self-reported one and could be used to come up with a taxonomy, but i don't think it'd be enough.
add a
tagsfield to the bib so we can keep track of research themes.the
keywordsfield is a self-reported one and could be used to come up with a taxonomy, but i don't think it'd be enough.