Examine source code of Contexto English Quiz

{
  "manifest_version": 3,
  "name": "Contexto English Quiz",
  "version": "1.0",
  "description": "Master natural English contexts and subtle word nuances. Contexto English Quiz challenges Vietnamese learners with realistic sentence completions, refining collocations and advanced word choices instantly.",
  "icons": {
    "48": "contexto_quiz_icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Contexto English Quiz"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9e22c589-dce3-4ed1-95e8-8cba9a1b9abb}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}