Examine source code of Superpower Google

{
  "manifest_version": 2,
  "name": "Superpower Google",
  "version": "0.2.0",
  "description": "Ported version for Firefox of Superpower Google (adapted from Chrome MV3).",
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Superpower Google",
    "default_icon": "icon48.png"
  },
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "js": [
        "content_start.js"
      ],
      "matches": [
        "https://www.google.com/*",
        "https://www.google.fr/*",
        "https://www.google.ca/*",
        "https://www.google.co.uk/*",
        "https://www.google.de/*",
        "https://www.google.it/*",
        "https://www.google.es/*",
        "https://www.google.nl/*",
        "https://www.google.com.au/*",
        "https://www.google.com.br/*",
        "https://www.google.co.in/*",
        "https://www.google.co.jp/*",
        "https://www.google.com.hk/*",
        "https://www.google.com.sg/*",
        "https://www.google.ru/*",
        "https://www.google.com.tr/*",
        "https://www.google.com.mx/*",
        "https://www.google.pl/*",
        "https://www.google.se/*",
        "https://www.google.ch/*",
        "https://www.google.be/*",
        "https://www.google.co.kr/*",
        "https://www.google.co.za/*",
        "https://www.google.ae/*",
        "https://www.google.ie/*",
        "https://www.google.dk/*",
        "https://www.google.no/*",
        "https://www.google.fi/*",
        "https://www.google.pt/*",
        "https://www.google.gr/*",
        "https://www.google.cz/*",
        "https://www.google.hu/*",
        "https://www.google.ro/*",
        "https://www.google.sk/*",
        "https://www.google.bg/*",
        "https://www.google.si/*",
        "https://www.google.hr/*",
        "https://www.google.lt/*",
        "https://www.google.lv/*",
        "https://www.google.ee/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "content_end.js"
      ],
      "matches": [
        "https://www.google.com/*",
        "https://www.google.fr/*",
        "https://www.google.ca/*",
        "https://www.google.co.uk/*",
        "https://www.google.de/*",
        "https://www.google.it/*",
        "https://www.google.es/*",
        "https://www.google.nl/*",
        "https://www.google.com.au/*",
        "https://www.google.com.br/*",
        "https://www.google.co.in/*",
        "https://www.google.co.jp/*",
        "https://www.google.com.hk/*",
        "https://www.google.com.sg/*",
        "https://www.google.ru/*",
        "https://www.google.com.tr/*",
        "https://www.google.com.mx/*",
        "https://www.google.pl/*",
        "https://www.google.se/*",
        "https://www.google.ch/*",
        "https://www.google.be/*",
        "https://www.google.co.kr/*",
        "https://www.google.co.za/*",
        "https://www.google.ae/*",
        "https://www.google.ie/*",
        "https://www.google.dk/*",
        "https://www.google.no/*",
        "https://www.google.fi/*",
        "https://www.google.pt/*",
        "https://www.google.gr/*",
        "https://www.google.cz/*",
        "https://www.google.hu/*",
        "https://www.google.ro/*",
        "https://www.google.sk/*",
        "https://www.google.bg/*",
        "https://www.google.si/*",
        "https://www.google.hr/*",
        "https://www.google.lt/*",
        "https://www.google.lv/*",
        "https://www.google.ee/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "content_chatgpt.js"
      ],
      "matches": [
        "https://chatgpt.com/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "permissions": [
    "storage",
    "https://chatgpt.com/*",
    "https://www.google.ae/*",
    "https://www.google.be/*",
    "https://www.google.bg/*",
    "https://www.google.ca/*",
    "https://www.google.ch/*",
    "https://www.google.co.in/*",
    "https://www.google.co.jp/*",
    "https://www.google.co.kr/*",
    "https://www.google.co.uk/*",
    "https://www.google.co.za/*",
    "https://www.google.com.au/*",
    "https://www.google.com.br/*",
    "https://www.google.com.hk/*",
    "https://www.google.com.mx/*",
    "https://www.google.com.sg/*",
    "https://www.google.com.tr/*",
    "https://www.google.com/*",
    "https://www.google.cz/*",
    "https://www.google.de/*",
    "https://www.google.dk/*",
    "https://www.google.ee/*",
    "https://www.google.es/*",
    "https://www.google.fi/*",
    "https://www.google.fr/*",
    "https://www.google.gr/*",
    "https://www.google.hr/*",
    "https://www.google.hu/*",
    "https://www.google.ie/*",
    "https://www.google.it/*",
    "https://www.google.lt/*",
    "https://www.google.lv/*",
    "https://www.google.nl/*",
    "https://www.google.no/*",
    "https://www.google.pl/*",
    "https://www.google.pt/*",
    "https://www.google.ro/*",
    "https://www.google.ru/*",
    "https://www.google.se/*",
    "https://www.google.si/*",
    "https://www.google.sk/*"
  ],
  "web_accessible_resources": [
    "img/chatgpt.svg",
    "img/clover.svg",
    "img/chatgpt_dark.svg",
    "img/clover_dark.svg"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9828a8d9-6bc8-4c08-b4f3-d0e16a25aaad}"
    }
  }
}