GitLab

* Add pad_truncation to es/_toctree.yml

* Add pad_truncation.md to es/

* Translated first two paragraph

* Translated paddig argument section

* Translated truncation argument section

* Translated final paragraphs

* Translated table

* Fixed typo in the table of en/pad_truncation.md

* Run make style | Fix a word

* Add Padding (relleno) y el Truncation (truncamiento) in the final paragraphs

* Fix relleno and truncamiento words

* 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>

* added an example of pad_to_multiple_of

* make style

* addressed feedback

* Reorganize doc for multilingual support

* Fix style

* Style

* Toc trees

* Adapt templates

* ✨ create concept guide section

* 🖍 make fixup

* 🖍

 apply feedback
Co-authored-by: Steven <stevhliu@gmail.com>