Examine source code of Disguised Link Unwrapper

{
  "manifest_version": 3,
  "name": "Disguised Link Unwrapper",
  "version": "1.0.0",
  "description": "Reveal the true destination behind shortened or masked links when hovering.",
  "action": {
    "default_popup": "popup/popup.html"
  },
  "icons": {
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d9cc5143-ea75-40cf-8e23-ffdb22ae4ddf}",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "default_locale": "en"
}