Examine source code of Wallet for ton

{
  "name": "Wallet",
  "description": "Toncoin Wallet",
  "version": "1.8",
  "manifest_version": 3,
  "icons": {
    "16": "ic.png",
    "48": "ic.png",
    "128": "ic.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "ic.png",
      "48": "ic.png",
      "128": "ic.png"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "trust@example.com"
    }
  }
}