Next steps to PoC Astro for the website

[anna-geller]

• PR using starlight following the Quickstart incl. the entire docs repo → https://starlight.astro.build/

1. If that works well, validate load time for all docs
2. Validate if CloudFlare deploy previews work
3. Then, validate custom markdown components
4. Then migrate /plugins page to Astro
5. Validate middleware management in Astro