Create a page dedicated to llm

### What problem does your feature solve?

We don't have a dedicated page to `llms.txt`. See [Stripe's doc](https://docs.stripe.com/building-with-llms) for an example

### What would you like to see?

1. Dedicated page for AI
2. Algolia search to be able to return `llms.tx`

### What alternatives are there?

None