Examine source code of ZenXNet VPN

{
  "manifest_version": 3,
  "incognito": "spanning",
  "name": "__MSG_appName__",
  "version": "3.9.5",
  "author": "ZenXNet",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "homepage_url": "https://zenxnet.com",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "proxy",
    "privacy",
    "webRequest",
    "webRequestBlocking",
    "declarativeNetRequest",
    "notifications",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>",
    "https://on.zenxnet.com/*",
    "https://s.mist-layer.net/*",
    "https://api.zenxnet.com/*",
    "https://v1.read-base.org/*",
    "https://v2.edge-metrics.net/*",
    "https://zenxnet.com/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@zenxnet.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}