Examine source code of Jump VPN

{
  "manifest_version" : 3 ,
  "name" : "Jump VPN",
  "version" : "1.0.0",
  "description" : "Динамичный proxy-инструмент для Chrome и Firefox с быстрым переключением подключения и лёгким интерфейсом",
  "author": "Гусь Team",
  "homepage_url" : "https://stableproxy.space",
  "incognito" : "spanning" ,
  "permissions" : [
    "proxy" ,
    "tabs" 
  ],
  "background" : {
    "service_worker" : "worker.js" ,
    "scripts" : [
      "worker.js" 
    ]
  },
  "action" : {
    "default_popup" : "popup.html",
    "default_title" : "Jump VPN",
    "default_icon" : {
      "16" : "assets/icon16.png",
      "48" : "assets/icon48.png",
      "128" : "assets/icon128.png"
    }
  },
  "icons" : {
    "16" : "assets/icon16.png",
    "48" : "assets/icon48.png",
    "128" : "assets/icon128.png"
  },
  "short_name" : "Jump VPN",
  "browser_specific_settings": {
    "gecko": {
      "id": "jump-vpn@stableproxy.space",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}