GitLab

* wip

* complete the doc

* missing img

* improve

* correction

* Apply suggestions from code review
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* Add course banner

* Update course banner

* add big bird

* change teacher to mentor

* add proposal template

* adapt template

* delete old template

* correct some links

* finish template

* create big bird from template

* add big bird

* improve boxes

* finish boxes

* add pointers for BigBird

* finish big bird

* up

* up

* up

* up

* apply lysandres and sylvains suggestions

* delete bogus file

* correct markdown

* try different style

* try different style

* finalize

* add new model logic

* fix docs

* change structure

* improve add_new_model

* push new changes

* up

* up

* correct spelling

* improve docstring

* correct line length

* update readme

* correct links

* correct typos

* only add rst file for now

* Apply suggestions from code review 1
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>
Co-authored-by: Bram Vanroy <Bram.Vanroy@UGent.be>

* Apply suggestions from code review
Co-authored-by: Bram Vanroy <Bram.Vanroy@UGent.be>
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>

* Apply suggestions from code review
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>

* Apply suggestions from code review
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>
Co-authored-by: Stefan Schweter <stefan@schweter.it>
Co-authored-by: Bram Vanroy <Bram.Vanroy@UGent.be>

* Apply suggestions from code review
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>
Co-authored-by: Pierric Cistac <Pierrci@users.noreply.github.com>

* finish adding all suggestions

* make style

* apply Niels feedback

* Apply suggestions from code review
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* apply sylvains suggestions
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>
Co-authored-by: Bram Vanroy <Bram.Vanroy@UGent.be>
Co-authored-by: Stefan Schweter <stefan@schweter.it>
Co-authored-by: Pierric Cistac <Pierrci@users.noreply.github.com>
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* add first draft ppl guide

* upload imgs

* expand on strides

* ref typo

* rm superfluous past var

* add tokenization disclaimer

* Add model summary

* Add link to pretrained models