GitLab

* added tasks and task family descriptors

* configs for the new lambada translations

* continue work on task list w/ links; slightly reorganize README

* Apply suggestions from code review

* Rename file so that it'll preview in Github when viewing lm_eval/tasks folder

* Update new_task_guide.md

* Update README.md

* run linter

* Add language column to task table; Add missing tasks to task table; fix nq_open and storycloze READMEs

* fix typo

* update `lm_eval/tasks/README.md` with task description

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Co-authored-by: Harish Vadaparty <harishvadaparty@gmail.com>
Co-authored-by: anthony <anthonydipofi@gmail.com>
Co-authored-by: Hailey Schoelkopf <65563625+haileyschoelkopf@users.noreply.github.com>
Co-authored-by: haileyschoelkopf <hailey@eleuther.ai>