Examine source code of Insight Spark

{
  "manifest_version": 2,
  "name": "Insight Spark",
  "version": "1.0",
  "description": "Get daily sparks of wisdom and inspiration. Refresh to discover thoughtful quotes from great minds that motivate and uplift you.",
  "icons": {
    "48": "spark-icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Insight Spark"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9d4ea827-e1be-4607-a806-b2a416012b12}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}