Examine source code of Elegan-tab

{
  "manifest_version": 3,
  "name": "Elegan-tab",
  "version": "1.0.0",
  "description": "An elegant new tab for you. Features: customizable bookmarks, sticky notes, weather widget, starred tabs, 15+ beautiful themes, and a clean minimal design.",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "permissions": [
    "storage",
    "geolocation"
  ],
  "icons": {
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "elegantab@custom.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}