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>

* [ fast_tokenizers.mdx ] - Added translation to portuguese to tutorial

* Delete docs/source/pt-br directory

* [ fast_tokenizers.mdx ] - Continuing work on file

* [ fast_tokenizers.mdx ] - Continuing work on file

* Add fast tokenizers to _toctree.yml

* Eliminated config and toctree.yml

* Nits in fast_tokenizers.mdx

* Finishing create_a_model

* [ create_a_model.mdx ] finishing create a model in pt-br

* [ Changing _toctree.yml ] adding create a model in pt
Co-authored-by: Omar U. Espejel <espejelomar@gmail.com>