Examine source code of itopModification

{
  "manifest_version": 2,
  "name": "itopModification",
  "version": "1.2.2",
  "description": "Ajoute des fonctionnalités à ITOP",
  "icons": {
    "48": "icons/makeover.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "jpazerty_first_attempt3@example.com"
    }
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://itop.ac-nice.fr/itop/pages/UI.php*"
      ],
      "js": [
        "itop.js",
        "jquery-3.6.0.min.js",
        "jquery-ui.min.js"
      ]
    }
  ]
}