Examine source code of Casino Vesta

{
  "name": "Casino Vesta",
  "version": "1.0",
  "manifest_version": 2,
  "description": "Últimas noticias sobre juegos de azar, casinos online, bonos y maquinas tragamonedas online.",
  "homepage_url": "https://casinovesta.com",
  "icons": {
    "128": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png"
  },
  "permissions": [
    "https://casinovesta.com*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8e016312-5b9c-416a-b409-4fb42ef31dfc}"
    }
  }
}