message: feat(aio): pwa bg color and name
diff: {
  - "short_name": "Angular Docs",
  - "name": "Angular Docs",
  + "short_name": "Angular",
  + "name": "Angular",
  "icons": [
  {
  "src":"assets/images/favicons/favicon-194x194.png",
  }
  ],
  "start_url": "/?utm_source=homescreen",
  - "background_color": "#fafafa",
  + "background_color": "#1976D2",
  "theme_color": "#1976d2",
  "display": "standalone"
  }
  