GitLab

* Add new tasks of GPQA

* Add README

* Remove unused functions

* Remove unused functions

* Linters

* Add flexible match

* update

* Remove deplicate function

* Linter

* update

* Update lm_eval/filters/extraction.py
Co-authored-by: Hailey Schoelkopf <65563625+haileyschoelkopf@users.noreply.github.com>

* register multi_choice_regex

* Update

* run precommit

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