Examine source code of Free Games Finder

{
  "name": "Free Games Finder",
  "version": "1.4.4",
  "manifest_version": 2,
  "description": "Introducing the ultimate solution for keeping track of limited-time free game. Free Games Finder tracks and alerts you so you never miss out on great games.",
  "icons": {
    "32": "assets/logo-32.png",
    "48": "assets/logo-48.png",
    "64": "assets/logo-64.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "assets/logo-64.png",
    "default_title": "Free Games Finder",
    "default_popup": "index.html"
  },
  "permissions": [
    "https://*/*",
    "http://*/*",
    "storage",
    "notifications"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval' object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "{900554ae-d728-40cd-b9cf-593d810ea14a}"
    }
  }
}