Examine source code of Word Wisdom Hub

{
  "manifest_version": 2,
  "name": "Word Wisdom Hub",
  "version": "1.0",
  "description": "Enhance your English vocabulary daily with fun multiple-choice synonym and antonym challenges.",
  "icons": {
    "48": "word-wisdom-hub-icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Word Wisdom Hub"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{aec03477-aa0a-4faf-8da4-e3e30467f7bc}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}