Examine source code of WeatherSnap

{
  "manifest_version": 2,
  "name": "WeatherSnap",
  "version": "1.0",
  "description": "A minimalist extension to check real-time weather for your location or any city, with a clean white-blue interface and cloud animations.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "geolocation",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{69314ec6-be6f-4236-825f-817dc7c391f5}"
    }
  }
}