Examine source code of Fortnite Code Finder

{
  "name": "Fortnite Code Finder",
  "description": "Fortnite Code Finder helps you discover free Fortnite game codes with a single click. Just click the extension icon to visit thefortnitemaps.com and explore available maps and rewards",
  "version": "0.0.0.1",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [],
  "browser_action": {},
  "manifest_version": 2,
  "icons": {
    "128": "logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3fa2af19-65cf-4164-a55a-c729e8a99a53}"
    }
  }
}