Examine source code of RobloxFinder

{
  "description": "A new button that allows you to quick find empty or nearly empty servers. A free VIP Treatment!",
  "manifest_version": 2,
  "name": "RobloxFinder",
  "author": "Christopher Neves768",
  "version": "1.1.0",
  "homepage_url": "https://github.com/neves768/robloxserverfinder",
  "icons": {
    "48": "icons/icon.png"
  },
  "permissions": [
    "*://*.roblox.com/*",
    "webRequest"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.roblox.com/*"
      ],
      "js": [
        "aroblox.js"
      ]
    }
  ]
}