Add AI docs button to the hero section

[mindapivessa]

What changed? Why?

• Added another entry point to llms.txt (ideally
  <img width="760" alt="Screenshot 2025-03-31 at 3 19 06 PM" src="https://github.com/user-attachments/assets/6044e3dc-ca36-4cb9-b16c-25392bd0f6

6a" />

Notes to reviewers

• A follow up to this is a tried & tested walk-through page on docs on how to use llms.txt to start building an app

How has it been tested?

• Locally on mobile & web

Have you tested the following pages?

BaseWeb

• base.org
• base.org/names
• base.org/builders
• base.org/ecosystem
• base.org/name/jesse
• base.org/manage-names
• base.org/resources

BaseDocs

• docs.base.org
• docs sub-pages

[vercel]

@mindapivessa is attempting to deploy a commit to the Coinbase Team on Vercel.

A member of the Team first needs to authorize it.

[cb-heimdall]

🟡 Heimdall Review Status

Requirement	Status	More Info
Reviews	🟡 0/2	Denominator calculation Show calculation 1 if user is bot 0 1 if user is external 0 From .codeflow.yml 1 Additional review requirements Show calculation Max 0 0 From CODEOWNERS 0 Global minimum 0 Max 1 1 1 if commit is unverified 1 Sum 2