Test and docs otomi normalizer

[paoinnesb]

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name: Docs and test for otomi normalizer
about: This pull request adds unit tests and documentation for the Otomi orthographic normalizer. It includes test cases to validate the normalizer's functionality and documentation details to facilitate its use and integration into other projects.
title: ''
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• This pull request adds unit tests and documentation for the Otomi orthographic normalizer. The changes include:
• New test cases covering the normalizer's main functions to ensure its accuracy and reliability.
• Documentation updates with instructions and examples for implementing and using the normalizer.
• @Lguyogiro @umoqnier @ximenina

[umoqnier]

LGTM 🍰

Solo quisiera que en el futuro cercano usemos pytest en lugar de unittest pero pa' despues :D