Examine source code of SASSA Quick Checker

{
  "manifest_version": 3,
  "name": "SASSA Quick Checker",
  "version": "1.0",
  "description": "Quickly check your SASSA grant status from your browser.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "icon.png"
    }
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "sassa-checker@example.com",
      "strict_min_version": "109.0"
    }
  }
}