docs: archive v2 docs versions + create 2.x docs

[slorber]

Motivation

Create docs version 2.x and archive v2 minor release docs

Test Plan

preview

Test links

https://deploy-preview-9472--docusaurus-2.netlify.app/

[netlify]

✅ [V2]

Name	Link
🔨 Latest commit	9ab9b52
🔍 Latest deploy log	https://app.netlify.com/sites/docusaurus-2/deploys/653fa4cfcd9f0000082035c7
😎 Deploy Preview	https://deploy-preview-9472--docusaurus-2.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

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[github-actions]

⚡️ Lighthouse report for the deploy preview of this PR

URL	Performance	Accessibility	Best Practices	SEO	PWA	Report
/	🟠 85	🟢 97	🟢 100	🟢 100	🟠 89	Report
/docs/installation	🟠 60	🟢 98	🟢 100	🟢 100	🟠 89	Report
/docs/category/getting-started	🟠 71	🟢 100	🟢 100	🟢 90	🟠 89	Report
/blog	🟢 90	🟢 100	🟢 100	🟢 90	🟠 89	Report
/blog/preparing-your-site-for-docusaurus-v3	🟠 58	🟢 97	🟢 100	🟢 100	🟠 89	Report
/blog/tags/release	🟢 91	🟢 100	🟢 100	🟠 80	🟠 89	Report
/blog/tags	🟠 72	🟢 100	🟢 100	🟢 90	🟠 89	Report

[github-actions]

Size Change: -208 kB (-18%) 👏

Total Size: 925 kB

Filename	Size	Change
website/.docusaurus/globalData.json	59.6 kB	-57.7 kB (-49%)	🎉
website/build/assets/css/styles.********.css	112 kB	-800 B (-1%)
website/build/assets/js/main.********.js	713 kB	-149 kB (-17%)	👏
website/build/index.html	40.6 kB	-772 B (-2%)

_{compressed-size-action}