Examine source code of Trading Journal PRO

{
  "manifest_version": 3,
  "name": "Trading Journal PRO",
  "version": "1.0.1",
  "description": "Diário de Trading com IA, Heatmap e Estatísticas.",
  "action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "storage"
  ],
  "icons": {
    "16": "assets/icon16.png",
    "32": "assets/icon32.png",
    "180": "assets/icon180.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "trading-journal-pro@wcarcara.dev"
    }
  }
}