Examine source code of Moodle Cleaner

{
  "manifest_version": 2,
  "name": "Moodle Cleaner",
  "version": "7.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "andrea13ariete@gmail.com",
      "strict_min_version": "48.0"
    }
  },
  "icons": {
    "48": "icons/icona-48.jpg",
    "64": "icons/icona-64.jpg",
    "96": "icons/icona-96.jpg",
    "1080": "icons/icona.jpg"
  },
  "description": "Rimuove le descrizioni dalle consegne di moodle.",
  "content_scripts": [
    {
      "matches": [
        "https://www.iissferraris.edu.it/moodle/course/*"
      ],
      "js": [
        "estensione.js"
      ]
    }
  ]
}