Examine source code of WordSpark: Synonym Match

{
  "manifest_version": 3,
  "name": "WordSpark: Synonym Match",
  "version": "1.0",
  "description": "Ignite your vocabulary! Match words with their correct synonyms in a fast-paced challenge designed to expand your English lexicon.",
  "icons": {
    "48": "wordspark_icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "WordSpark"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{86ec1b29-9898-4bf8-b4a2-cfafa6a7c43d}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}