Adds More Generative tasks (#694)
* add smolm generative tasks
* add jeopardy
* pretty 🥰
* consistent stop sequences
* add versions + change names
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Co-authored-by: Hynek Kydlicek <kydlicek.hynek@huggingface.co>
Co-authored-by: Clémentine Fourrier <22726840+clefourrier@users.noreply.github.com>
