Examine source code of Version Guard Demo

{
  "manifest_version": 3,
  "name": "Version Guard Demo",
  "version": "1.2.2",
  "description": "�� GitHub ���������",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://api.github.com/*"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_popup": "popup.html"
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}