Examine source code of VPNHelper

{
  "manifest_version": 2,
  "name": "VPNHelper",
  "version": "1.0",
  "description": "A guide to browsing safely with VPNs.",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "VPNHelper"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "vpnhelper_2025@example.com",
      "strict_min_version": "109.0"
    }
  }
}