Add Hugging Face Inference Endpoints as a rest embedder guide

[gmourier]

What does this PR do?

• Add a guide on how to use a model deployed on Hugging Face using Meilisearch rest embedder setting
• Fix a minor mistake in the Cloudflare one

[meili-bot]

How to see the preview of this PR?

⚠️ Private link, only accessible to Meilisearch employees.

Go to this URL: https://website-git-deploy-preview-mei-16-meili.vercel.app/docs/branch:add-hugging-face-inference-endpoint-guide

Credentials to access the page are in the company\'s password manager as "Docs deploy preview".