Examine source code of Antarctic Wallet

{
  "manifest_version": 3,
  "name": "Antarctic Wallet",
  "description": "Оплачивайте СБП-ссылки и QR-коды в один клик – Antarctic Wallet сам находит способ оплаты и подставляет кнопку на странице.",
  "version": "1.3.1",
  "action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "64": "icons/icon-64.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "Antarctic Wallet"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ],
      "css": [
        "content-script.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "homepage_url": "https://app.antarcticwallet.com/",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "64": "icons/icon-64.png",
    "128": "icons/icon-128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/icon-16.png",
        "icons/icon-32.png",
        "icons/icon-64.png",
        "icons/icon-128.png",
        "icons/close.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; frame-src https://app.antarcticwallet.com;"
  },
  "sidebar_action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "64": "icons/icon-64.png",
      "128": "icons/icon-128.png"
    },
    "default_panel": "side-panel/index.html",
    "default_title": "Antarctic Wallet"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "wallet@antarcticwallet.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}