feat: update footer links to include AI Coding Assistants Policy

[bjohansebas]

ref: openjs-foundation/artwork#27

[netlify]

✅ Deploy Preview for expressjscom-preview ready!

Name	Link
🔨 Latest commit	3c33d7f
🔍 Latest deploy log	https://app.netlify.com/projects/expressjscom-preview/deploys/69da6f358b0ac70008e3cceb
😎 Deploy Preview	https://deploy-preview-2273--expressjscom-preview.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.
Lighthouse	1 paths audited Performance: 99 (🟢 up 3 from production) Accessibility: 100 (🟢 up 13 from production) Best Practices: 100 (no change from production) SEO: 100 (🟢 up 6 from production) PWA: 80 (🟢 up 50 from production) View the detailed breakdown and full score reports

---

To edit notification comments on pull requests, go to your Netlify project configuration.