Examine source code of GOG Prices

{
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "1.2",
  "action": {
    "default_icon": "assets/gog-prices-icon48.png"
  },
  "icons": {
    "16": "assets/gog-prices-icon16.png",
    "48": "assets/gog-prices-icon48.png",
    "128": "assets/gog-prices-icon128.png"
  },
  "host_permissions": [
    "*://*.gog.com/*",
    "https://cdn.jsdelivr.net/*",
    "https://latest.currency-api.pages.dev/*"
  ],
  "permissions": [
    "storage"
  ],
  "options_page": "options/options.html",
  "web_accessible_resources": [
    {
      "resources": [
        "options/*",
        "_locales/*"
      ],
      "matches": [
        "*://*.gog.com/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "js": [
        "scripts/commonCurrencies.js",
        "scripts/content.js"
      ],
      "css": [
        "styles/styles.css"
      ],
      "matches": [
        "*://*.gog.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "gogprices@joludelgar.com"
    }
  }
}