Examine source code of Carnival — New Tab

{
  "manifest_version": 3,
  "name": "Carnival — New Tab",
  "version": "2.0.0",
  "description": "A precision productivity new tab. Dark or light — always sharp.",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "permissions": [
    "storage",
    "geolocation"
  ],
  "host_permissions": [
    "https://api.openweathermap.org/*"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "carnival-newtab@huzefa.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}