docs(docs-site): fill out intro and release status

[keyserj]

also:

• link to docs from homepage
• replace links to the about and feedback pages (covered by new docs)
• use short version demo (think more people will click to watch)

Description of changes

-

Additional context

-

[netlify[bot]]

✅ Deploy Preview for velvety-vacherin-4193fb canceled.

Name	Link
🔨 Latest commit	b0cf6de7a6d4b14f1bdb1677c59bb032d550da45
🔍 Latest deploy log	https://app.netlify.com/sites/velvety-vacherin-4193fb/deploys/65de155c578d3f0008a22d9f

[netlify[bot]]

✅ Deploy Preview for ameliorate-docs ready!

Name	Link
🔨 Latest commit	b0cf6de7a6d4b14f1bdb1677c59bb032d550da45
🔍 Latest deploy log	https://app.netlify.com/sites/ameliorate-docs/deploys/65de155c829a370008694b8a
😎 Deploy Preview	https://deploy-preview-347--ameliorate-docs.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

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