Examine source code of Duckduck Bang!

{
  "name": "Bang!",
  "version": "2.8",
  "browser_specific_settings": {
    "gecko": {
      "id": "bangs@tt7753",
      "strict_min_version": "109.0"
    }
  },
  "options_ui": {
    "page": "options.html"
  },
  "description": "An extension to add duckduckgo bangs to various search engines",
  "background": {
    "scripts": [
      "background.js",
      "bang.js",
      "update.js",
      "shared_functions.js",
      "grant_permissions.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.startpage.com/*"
      ],
      "js": [
        "search_engine.js",
        "startpage.js",
        "shared_functions.js"
      ]
    }
  ],
  "permissions": [
    "webRequest",
    "tabs",
    "storage",
    "webRequestBlocking"
  ],
  "host_permissions": [
    "https://duckduckgo.com/bang_lite.html",
    "http://www.google.com/search*",
    "http://www.google.co.jp/search*",
    "http://www.google.co.uk/search*",
    "http://www.google.es/search*",
    "http://www.google.ca/search*",
    "http://www.google.de/search*",
    "http://www.google.it/search*",
    "http://www.google.fr/search*",
    "http://www.google.com.au/search*",
    "http://www.google.com.tw/search*",
    "http://www.google.nl/search*",
    "http://www.google.com.br/search*",
    "http://www.google.com.tr/search*",
    "http://www.google.be/search*",
    "http://www.google.com.gr/search*",
    "http://www.google.co.in/search*",
    "http://www.google.com.mx/search*",
    "http://www.google.dk/search*",
    "http://www.google.com.ar/search*",
    "http://www.google.ch/search*",
    "http://www.google.cl/search*",
    "http://www.google.at/search*",
    "http://www.google.co.kr/search*",
    "http://www.google.ie/search*",
    "http://www.google.com.co/search*",
    "http://www.google.pl/search*",
    "http://www.google.pt/search*",
    "http://www.google.com.pk/search*",
    "https://www.google.com/search*",
    "https://www.google.co.jp/search*",
    "https://www.google.co.uk/search*",
    "https://www.google.es/search*",
    "https://www.google.ca/search*",
    "https://www.google.de/search*",
    "https://www.google.it/search*",
    "https://www.google.fr/search*",
    "https://www.google.com.au/search*",
    "https://www.google.com.tw/search*",
    "https://www.google.nl/search*",
    "https://www.google.com.br/search*",
    "https://www.google.com.tr/search*",
    "https://www.google.be/search*",
    "https://www.google.com.gr/search*",
    "https://www.google.co.in/search*",
    "https://www.google.com.mx/search*",
    "https://www.google.dk/search*",
    "https://www.google.com.ar/search*",
    "https://www.google.ch/search*",
    "https://www.google.cl/search*",
    "https://www.google.at/search*",
    "https://www.google.co.kr/search*",
    "https://www.google.ie/search*",
    "https://www.google.com.co/search*",
    "https://www.google.pl/search*",
    "https://www.google.pt/search*",
    "https://www.google.com.pk/search*",
    "https://*.startpage.com/do/dsearch*",
    "https://*.startpage.com/do/metasearch.pl*",
    "https://www.bing.com/search*",
    "https://*.ecosia.org/search*",
    "https://*.qwant.com/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "banglist/version.json"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "icons": {
    "256": "icon.png"
  },
  "manifest_version": 3
}