Examine source code of LNETOOL2023

{
  "manifest_version": 2,
  "name": "LNETOOL",
  "version": "1.26",
  "description": "La Nueva Espana desnuda",
  "icons": {
    "48": "icons/border-48.png"
  },
  "permissions": [
    "menus",
    "activeTab",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.lne.es/*",
        "*://*.marca.com/*",
        "*://*.elpais.com/*",
        "*://*.elmundo.es/*",
        "*://*.abc.es/*",
        "*://*.elcomercio.es/*",
        "*://*.realoviedo.es/*"
      ],
      "js": [
        "jquery.js",
        "purify.min.js",
        "borderify.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2f21b803-090b-4dec-a4aa-d18801619e2d}"
    }
  }
}