Add Spanish translation of run_scripts.mdx

[donelianc]

What does this PR do?

Add the Spanish translation for run_scripts.mdx as part of the #15947 issue.
Changes include the Spanish version of the original document and the updated _toctree.yml file.

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• Did you read the contributor guideline Pull Request section?
• Was this discussed/approved via a Github issue or the forum? Task assignment here.
• Did you make sure to update the documentation with your changes? Here are the documentation guidelines, and here are tips on formatting docstrings.
• Did you write any new necessary tests?

Who can review?

Anyone in the community is free to review the PR once the tests have passed. Feel free to tag
members/contributors who may be interested in your PR.

[HuggingFaceDocBuilderDev]

The documentation is not available anymore as the PR was closed or merged.

[donelianc]

@omarespejel, can you help me review this PR, please?

[omarespejel]

Hi @donelianc! Amazing translation. I only found a few nits in my review.

[donelianc]

@omarespejel, thanks for your great review! I submitted the suggested changes in my previous commit.

I'll keep my translator streak if you assign me converting_tensorflow_models.mdx 😃

[omarespejel]

Thanks, @donelianc for the translation! @sgugger LGTM :)

@donelianc thanks, I will add you for converting_tensorflow_models.mdx 🚀

[sgugger]

Thanks for your PR!