Examine source code of Pague Menos Be!Tech

{
  "manifest_version": 2,
  "name": "Pague Menos Be!Tech",
  "description": "Encontre os melhores preços, descontos e cupons de forma simples e descomplicada!",
  "version": "15.18.144",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "run_at": "document_end",
      "js": [
        "index.js"
      ],
      "css": [
        "index.css"
      ]
    }
  ],
  "permissions": [
    "identity"
  ],
  "icons": {
    "16": "images/icon_16.png",
    "48": "images/icon_48.png",
    "128": "images/icon_128.png"
  },
  "web_accessible_resources": [
    "images/*",
    "3rdparty/*",
    "injection/*",
    "index.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7b9e1306-271f-49d4-89c5-2f113c6b5464}"
    }
  }
}