* 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