Examine source code of VeeeVPN

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "3.2",
  "description": "Download Veee VPN - the world’s #1 VPN browser extension for total privacy and security",
  "default_locale": "en",
  "permissions": [
    "proxy",
    "<all_urls>",
    "webRequest",
    "webRequestBlocking",
    "management"
  ],
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "",
    "default_icon": {
      "16": "images/logo-16.png",
      "32": "images/logo-32.png",
      "48": "images/logo-48.png",
      "128": "images/logo-128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "images/logo-16.png",
    "32": "images/logo-32.png",
    "48": "images/logo-48.png",
    "128": "images/logo-128.png"
  },
  "manifest_version": 2,
  "name": "VeeeVPN - #1 VPN Proxy Extension for browser",
  "short_name": "Veee",
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "91.1.0",
      "id": "{a5caa4d0-03c5-4dff-91da-75c1033a6697}"
    }
  }
}