GitLab

* Support jinja templating for "description"

* Update task_guide.md

* Update lm_eval/api/task.py

* fix format?

* whitespace errors

* fix whitespace

* fix bad variable reference

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Co-authored-by: Hailey Schoelkopf <65563625+haileyschoelkopf@users.noreply.github.com>
Co-authored-by: haileyschoelkopf <hailey@eleuther.ai>