[i18n-es] Translating docs to Spanish

[Wauplin]

Hi!

Let's bring the documentation to all the Spanish-speaking community 🌐

Who would want to translate? Please follow the 🤗 TRANSLATING guide. Here is a list of the files ready for translation. Let us know in this issue if you'd like to translate any, and we'll add your name to the list.

Some notes:

• Please translate using an informal tone (imagine you are talking with a friend about huggingface_hub 🤗).
• Please translate in a gender-neutral way.
• Add your translations to the folder called <languageCode> inside the source folder.
• Register your translation in <languageCode>/_toctree.yml; please follow the order of the English version.
• Once you're finished, open a pull request and tag this issue by including #issue-number in the description, where issue-number is the number of this issue. Please ping @Wauplin @hanouticelina @stevhliu for review.
• 🙋 If you'd like others to help you with the translation, you can also post in the 🤗 forums.

README

• README.md

Get Started section

• index.md
• quick-start.md
• installation.md.

How-to guides section

• community.md
• download.md
• hf_file_system.md
• inference.md
• integrations.md
• manage-cache.md
• manage-spaces.md
• model-cards.md
• overview.md
• repository.md
• search.md
• upload.md
• webhooks_server.md

Conceptual guides section

• git_vs_http.md