Examine source code of Synonym Explorer

{
  "manifest_version": 3,
  "name": "Synonym Explorer",
  "version": "1.0",
  "description": "An interactive vocabulary quiz to discover and test your knowledge of English synonyms.",
  "icons": {
    "48": "synonym-icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Synonym Explorer"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0f514e1a-f9d8-4ee9-9faf-02c37b3def0a}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}