Update "Development best practices for WebView2 apps"

[victorhuangwq]

Rendered articles for review:

Fundamentals TOC bucket:

• Prerelease and Release SDKs for WebView2 - retitled from "understanding versions"
  • https://review.learn.microsoft.com/microsoft-edge/webview2/concepts/versioning?branch=pr-en-us-3195
  • Before/Live
• Distribute your app and the WebView2 Runtime
  • https://review.learn.microsoft.com/microsoft-edge/webview2/concepts/distribution?branch=pr-en-us-3195
  • Before/Live

Best practices TOC bucket:

• Development best practices for WebView2 apps
  • https://review.learn.microsoft.com/microsoft-edge/webview2/concepts/developer-guide?branch=pr-en-us-3195
  • Before/Live
• Develop secure WebView2 apps
  • https://review.learn.microsoft.com/microsoft-edge/webview2/concepts/security?branch=pr-en-us-3195
  • Before/Live

AB#51809470

[mikehoffms]

Approved PR after Writer/Editor pass for copyedit & structural edit.

[learn-build-service-prod]

Learn Build status updates of commit 7fa6b4a:

✅ Validation status: passed

File	Status	Preview URL	Details
microsoft-edge/toc.yml	✅Succeeded	View
microsoft-edge/webview2/concepts/developer-guide.md	✅Succeeded	View
microsoft-edge/webview2/concepts/distribution.md	✅Succeeded	View
microsoft-edge/webview2/concepts/security.md	✅Succeeded	View
microsoft-edge/webview2/concepts/versioning.md	✅Succeeded	View
microsoft-edge/webview2/how-to/set-preview-channel.md	✅Succeeded	View
microsoft-edge/webview2/release-notes/about.md	✅Succeeded	View
microsoft-edge/webview2/release-notes/archive.md	✅Succeeded	View

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