docs: create Docusaurus v2.4.1 release docs + changelog

[slorber]

Motivation

• No docs to backport
• Renamed 2.4.0 to 2.4.1
• Generated 2.4.1 changelog

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https://deploy-preview-8980--docusaurus-2.netlify.app/

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All v2.4.1 links:

• code PR
• docs PR
• examples PR

[netlify]

✅ [V2]

Name	Link
🔨 Latest commit	7813444
🔍 Latest deploy log	https://app.netlify.com/sites/docusaurus-2/deploys/64623019d85f6e0008161adf
😎 Deploy Preview	https://deploy-preview-8980--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	🟢 92	🟢 100	🟠 89	Report
/docs/installation	🟠 76	🟢 100	🟢 92	🟢 100	🟠 89	Report

[github-actions]

Size Change: +383 B (0%)

Total Size: 1.01 MB

Filename	Size	Change
website/build/assets/js/main.********.js	753 kB	+383 B (0%)

ℹ️ View Unchanged

Filename	Size
website/.docusaurus/globalData.json	101 kB
website/build/assets/css/styles.********.css	113 kB
website/build/index.html	41.3 kB

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