Examine source code of Free VPN Proxy

{
  "version": "0.1.6",
  "manifest_version": 3,
  "name": "Free VPN Proxy",
  "homepage_url": "https://mybrowseraddon.com/private-network.html",
  "description": "Easily find and set free VPN proxies and, browse fast and secure!",
  "commands": {
    "_execute_action": {}
  },
  "permissions": [
    "proxy",
    "storage",
    "notifications"
  ],
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "109.0",
      "id": "{9ad45975-b597-4ab6-a4eb-3a791c924d68}"
    }
  },
  "host_permissions": [
    "*://pubproxy.com/api/*",
    "*://api.proxyscrape.com/*",
    "*://api.getproxylist.com/*",
    "*://checkip.amazonaws.com/*"
  ],
  "background": {
    "scripts": [
      "lib/proxy.js",
      "lib/config.js",
      "lib/chrome.js",
      "lib/runtime.js",
      "lib/common.js",
      "lib/extra/primary.js",
      "lib/extra/secondary.js"
    ]
  },
  "action": {
    "default_title": "Free VPN Proxy",
    "default_popup": "data/popup/popup.html",
    "default_icon": {
      "16": "data/icons/16.png",
      "32": "data/icons/32.png",
      "48": "data/icons/48.png",
      "64": "data/icons/64.png"
    }
  },
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png"
  }
}