Examine source code of Beergam Pro

{
  "manifest_version": 2,
  "name": "Beergam Pro",
  "description": "Mostra comissão, frete e valor recebido de cada anúncio direto nas páginas do Mercado Livre.",
  "version": "1.7.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "downloads",
    "contextMenus",
    "https://api.beergam.ai/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "beergam-agent@beergam.ai",
      "data_collection_permissions": {
        "required": [
          "browsingActivity",
          "authenticationInfo"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://beergam.ai/interno/extensao/conectar*",
        "https://www.beergam.ai/interno/extensao/conectar*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/connect.js"
      ]
    },
    {
      "matches": [
        "*://*.mercadolivre.com.br/*",
        "*://mercadolivre.com.br/*"
      ],
      "exclude_matches": [
        "*://*.mercadolivre.com.br/*/account-verification*",
        "*://*.mercadolivre.com.br/account-verification*",
        "*://*.mercadolivre.com.br/captcha/wall*",
        "*://developers.mercadolivre.com.br/*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "browser_action": {}
}