Examine source code of LTT calculator

{
  "manifest_version": 3,
  "name": "Currency Converter",
  "version": "1.0",
  "description": "A currency converter extension with VAT and shipping calculations",
  "homepage_url": "https://yourwebsite.com",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png"
  },
  "permissions": [
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://v6.exchangerate-api.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "privacy_policy": "https://yourwebsite.com/privacy-policy.html",
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "currency-converter@yourdomain.com",
      "strict_min_version": "109.0"
    }
  }
}