Examine source code of Datum Mesero Notifier

{
  "manifest_version": 3,
  "name": "Datum Mesero Notifier",
  "version": "1.3.0",
  "description": "Extensión para envío automático de actualización al monitor de cocina.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://datumcampestretijuanacapacitacion.com/*",
    "https://datumcampestijuana.com/*",
    "http://localhost/*",
    "http://127.0.0.1/*",
    "http://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://datumcampestretijuanacapacitacion.com/*",
        "https://datumcampestretijuana.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "config.json"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "action": {
    "default_title": "Mesero Notifier"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "mesero-notifier@clubcampestretijuana.com",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}