Added another model tutorial (#566)
Added another model tutorial (#566)

* Added another model tutorial

* Fixes from PR feedback

* Wording and tone fixes

* Renamed the tutorial, fixed intro

* Rename to "project"

allenai/allennlp,allenai/allennlp,nafitzgerald/allennlp,allenai/allennlp,nafitzgerald/allennlp,nafitzgerald/allennlp,nafitzgerald/allennlp,allenai/allennlp