Examine source code of Cite Creator

{
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "citecreator@paperlessdebate.com",
      "strict_min_version": "126.0"
    }
  },
  "name": "Cite Creator",
  "short_name": "Cite Creator",
  "version": "2.0.0",
  "description": "Constructs debate cites from meta tags or page info and copies to clipboard.",
  "author": "support@paperlessdebate.com",
  "homepage_url": "https://paperlessdebate.com",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "96": "icons/96.png",
    "128": "icons/128.png"
  },
  "options_page": "options.html",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "*://*.google.com/*",
        "*://*.bing.com/*",
        "*://*.duckduckgo.com/*",
        "*://*.yahoo.com/*",
        "*://*.ask.com/*",
        "*://*.aol.com/*",
        "*://*.yandex.com/*",
        "*://*.baidu.com/*",
        "*://*.naver.com/*",
        "*://*.ecosia.com/*"
      ],
      "js": [
        "vendor/browser-polyfill.min.js",
        "vendor/hotkeys.min.js",
        "vendor/full-name-splitter.js",
        "cite.js"
      ],
      "css": [
        "cite.css"
      ]
    }
  ],
  "action": {
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png"
    },
    "default_title": "Cite Creator",
    "default_popup": "popup.html"
  },
  "permissions": [
    "clipboardWrite",
    "storage"
  ]
}