[i18n-ar] Add file docs/source/ar/model_doc/yoso.md

[AhmedAlmaghz]

What does this PR do?

Translate docs into Arabic issue-number #32435
@stevhliu , @MKhalusova , @abodacs
This pull request contains changes for file : docs/source/ar/model_doc/yoso.md

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

[stevhliu]

Thanks! Remember to add a toctree to the source folder docs/source/ar and then you'll need to add the language code to build_documentation.yml and build_pr_documentation.yml so that the docs get built.

[AhmedAlmaghz]

It's here

#32696

@stevhliu