Examine source code of Roblox Server Ping List

{
  "manifest_version": 2,
  "name": "Roblox Server Ping List",
  "version": "1.0",
  "description": "Показывает список публичных серверов текущего Roblox-плейса, отсортированный по ping.",
  "author": "Leshanchiks",
  "browser_specific_settings": {
    "gecko": {
      "id": "roblox-server-ping-list@local.ext",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "storage",
    "activeTab",
    "https://games.roblox.com/*",
    "https://www.roblox.com/*",
    "https://thumbnails.roblox.com/*"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Roblox Server List"
  },
  "icons": {
    "48": "icons/icon48.png"
  }
}