Examine source code of QuickTopResult

{
  "manifest_version": 3,
  "name": "QuickTopResult",
  "version": "1.0",
  "description": "Press Enter on search engine results pages to instantly navigate to the top organic result.",
  "icons": {
    "16": "qtr-logo.svg",
    "48": "qtr-logo.svg",
    "128": "qtr-logo.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.google.com/search*",
        "*://*.google.co.uk/search*",
        "*://*.google.de/search*",
        "*://*.google.fr/search*",
        "*://*.google.ca/search*",
        "*://*.google.it/search*",
        "*://*.google.es/search*",
        "*://*.google.com.au/search*",
        "*://*.google.com.br/search*",
        "*://*.google.ru/search*",
        "*://*.google.co.in/search*",
        "*://*.google.co.jp/search*",
        "*://*.google.nl/search*",
        "*://*.google.pl/search*",
        "*://*.google.ch/search*",
        "*://*.google.at/search*",
        "*://*.google.se/search*",
        "*://*.google.be/search*",
        "*://*.google.dk/search*",
        "*://*.google.no/search*",
        "*://*.google.fi/search*",
        "*://*.google.com.mx/search*",
        "*://*.google.co.kr/search*",
        "*://*.bing.com/search*",
        "*://*.duckduckgo.com/*",
        "*://*.ecosia.org/search*",
        "*://search.brave.com/search*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": "qtr-logo.svg",
    "default_title": "Settings"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "quicktopresult@davidflum.de",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}