Examine source code of LectioFacebegone

{
  "manifest_version": 2,
  "name": "LectioFacebegone",
  "version": "1.0",
  "description": "Fjerner billdet af dit ansigt i lectio.",
  "content_scripts": [
    {
      "matches": [
        "*://*.lectio.dk/*"
      ],
      "js": [
        "Facebegone.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0b99bd8a-7a10-4b7e-aaf1-dcc3c089206a}"
    }
  }
}