Examine source code of Renewable Energy Tracker

{
  "manifest_version": 2,
  "name": "Renewable Energy Tracker",
  "description": "Track energy usage, calculate your carbon footprint, and get personalized suggestions for renewable energy options.",
  "version": "2.0",
  "permissions": [
    "activeTab",
    "storage",
    "notifications",
    "https://api.openweathermap.org/*",
    "https://api.energyprovider.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "32": "icons/logo_32.png",
      "64": "icons/logo_64.png",
      "128": "icons/logo_128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{285c9639-ad00-4dcd-b7ba-a1194d9599c0}"
    }
  }
}