Examine source code of 마인크래프트 서버 체크

{
  "manifest_version": 3,
  "name": "Server Status Check",
  "version": "3.1",
  "description": "서버가 열려있는지 체크해줌",
  "background": {
    "scripts": [
      "app.js"
    ]
  },
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "64": "icons/64.png"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "menus",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://mcstatus.0w0.ai/*"
  ],
  "action": {
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "64": "icons/64.png"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fdb9385a-524c-48e3-8d68-a9fc83421123}"
    }
  }
}