Examine source code of Word Wanderer

{
  "manifest_version": 2,
  "name": "Word Wanderer",
  "version": "1.0",
  "description": "A delightful browser extension that helps you learn essential Vietnamese vocabulary through fun, interactive quizzes. Perfect for language learners who want to expand their everyday Vietnamese word bank.",
  "icons": {
    "48": "wanderer_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Word Wanderer"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c41ca460-1bbf-4038-ab47-2b70d9d57f29}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}