GitLab

* Script & Manual edition

* Update

fixed the broken links belogs to dataset library of transformers

* 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 tasks/token_classification pt doc structure

* add tasks/token_classification pt doc translation

* add tasks/token_classification pt doc translation

* add sequence_classification pt doc structure

* add Portuguese tasks/sequence_classification.mdx