Add Web Install API

[tomayac]

Add Web Install API detection

---

Test websites:

• https://kbhlee2121.github.io/pwa/web-install/index.html
• https://microsoftedge.github.io/Demos/pwa-pwastore/

[github-actions]

https://almanac.httparchive.org/en/2022/

WPT result details

Changed custom metrics values:

{
  "_fugu-apis": {
    "Device Memory": [
      "https://almanac.httparchive.org/static/js/send-web-vitals.js?v=67574c23a511f3149c90c88735c5a6f3"
    ]
  }
}

https://kbhlee2121.github.io/pwa/web-install/index.html

WPT result details

Changed custom metrics values:

{
  "_fugu-apis": {
    "Service Worker": [
      "https://kbhlee2121.github.io/pwa/web-install/app.js"
    ],
    "Web Install": [
      "https://kbhlee2121.github.io/pwa/web-install/app.js"
    ]
  }
}

https://microsoftedge.github.io/Demos/pwa-pwastore

WPT result details

Changed custom metrics values:

{
  "_fugu-apis": {
    "Web Install": [
      "https://microsoftedge.github.io/Demos/pwa-pwastore/app.js"
    ],
    "Launch Handler": [
      "https://microsoftedge.github.io/Demos/pwa-pwastore/manifest.json"
    ],
    "Window Controls Overlay": [
      "https://microsoftedge.github.io/Demos/pwa-pwastore/manifest.json"
    ]
  }
}