Main Readme: My Movies>Background Sync, My Tracks>File Handlers

[mikehoffms]

Related PRs:

• Move two PWA demos to Demos repo MicrosoftDocs/edge-developer#3514 - Docs repo PR updates the articles:
  • /progressive-web-apps/demo-pwas.md
  • /progressive-web-apps/how-to/background-syncs.md
  • /progressive-web-apps/how-to/handle-files.md
• Main Readme: My Movies>Background Sync, My Tracks>File Handlers #88 - Demos repo PR adds two samples in Demos repo instead of using:
  • https://github.com/captainbrosset/mytracks/
  • https://github.com/captainbrosset/movies-db-pwa/

Rendered article sections for review:

• Readme (Microsoft Edge Demos) > Progressive Web Apps (PWAs)
  • ~/README.md
  • Preview: https://github.com/mikehoffms/Demos/blob/user/mikehoffms/move-pwa-demos/README.md#progressive-web-apps-pwas
  • Before/live: https://github.com/MicrosoftEdge/Demos/blob/main/README.md#progressive-web-apps-pwas
  • Changed My Movie List from a list item below the PWA table to a PWA Background Sync row in the table.
  • Changed My Tracks from a list item below the PWA table to a PWA file handlers row in the table.
  • Added WebView2 section (links only).

AB#58439078