Examine source code of Casino Bike

{
  "name": "Casino Bike",
  "version": "1.0",
  "manifest_version": 2,
  "description": "Latest news about gambling, online casinos, bonuses and online slot machines.",
  "homepage_url": "https://casinobike.com",
  "icons": {
    "128": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png"
  },
  "permissions": [
    "https://casinobike.com*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b385f001-33b1-4772-94ac-14f98a0cfdff}"
    }
  }
}