GitLab

* Rename index.mdx to index.md

* With saved modifs

* Address review comment

* Treat all files

* .mdx -> .md

* Remove special char

* Update utils/tests_fetcher.py
Co-authored-by: Lysandre Debut <lysandre.debut@reseau.eseo.fr>

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Co-authored-by: Lysandre Debut <lysandre.debut@reseau.eseo.fr>

* add sequence_classification pt doc structure

* add Portuguese tasks/sequence_classification.mdx

* Reorganize doc for multilingual support

* Fix style

* Style

* Toc trees

* Adapt templates

* ✨ refactor code samples with framework-specific blocks

* ✨ update training.mdx

* 🖍 apply feedback

* 🖍 fix links in guides

* 🖍 apply feedback

* First files

* More files

* Last files

* Style

* clean commit of changes to NLP tasks

* 🖍 apply feedback

* 📝

 move tf data collator in multiple choice
Co-authored-by: Steven <stevhliu@gmail.com>