Examine source code of Weather Future

{
  "version": "0.1",
  "manifest_version": 2,
  "short_name": "Weather Future",
  "name": "WF",
  "description": "Stay ahead of the elements with real-time weather updates and 7-day forecasts tailored for you.",
  "permissions": [
    "storage",
    "alarms",
    "contextMenus",
    "idle",
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js",
      "serviceConfig.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "./popup/popup.html",
    "default_title": "SkyCast",
    "default_icon": {
      "16": "./icons/16.png",
      "32": "./icons/32.png",
      "48": "./icons/48.png",
      "64": "./icons/64.png"
    }
  },
  "icons": {
    "16": "./icons/16.png",
    "32": "./icons/32.png",
    "48": "./icons/48.png",
    "64": "./icons/64.png",
    "128": "./icons/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f052f71d-92f0-47aa-bb82-f045b3eee29a}"
    }
  }
}