Examine source code of FunPay AutoRaise

{
  "manifest_version": 2,
  "name": "FunPay AutoRaise",
  "version": "1.1.0",
  "description": "Automatically raises your FunPay lots",
  "permissions": [
    "storage",
    "https://*.funpay.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "funpay-auto-rais@example.com"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}