Examine source code of Lofi Tab

{
  "name": "Lofi Tab",
  "author": "reynnandev@gmail.com",
  "short_name": "Lofi Tab",
  "description": "New tab to relax/study to",
  "version": "3.3.4",
  "version_name": "3.3.4 Fullscreen Focus Release",
  "manifest_version": 3,
  "permissions": [
    "storage"
  ],
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "host_permissions": [
    "https://lofitab.com/api/*",
    "https://ingest.lofitab.com/*"
  ],
  "icons": {
    "16": "public/lofitab16.png",
    "32": "public/lofitab32.png",
    "48": "public/lofitab48.png",
    "128": "public/lofitab128.png"
  },
  "homepage_url": "https://lofitab.com/",
  "browser_specific_settings": {
    "gecko": {
      "id": "firefoxd@lofitab.com"
    }
  }
}