Simple currency converter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "__MSG_name__",
  "description": "__MSG_description__",
  "version": "2.3",
  "default_locale": "ru",
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon48.png"
    },
    "default_title": "__MSG_name__"
  },
  "permissions": [
    "storage",
    "alarms"
  ],
  "host_permissions": [
    "*://*.iliz.net/*"
  ],
  "icons": {
    "19": "icon48.png",
    "24": "icon48.png",
    "32": "icon48.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}