Examine source code of Roblox Badge Checker

{
  "manifest_version": 2,
  "name": "Roblox Badge Checker",
  "version": "1.1",
  "description": "Check if you own Roblox badges anywhere",
  "permissions": [
    "https://badges.roblox.com/*",
    "https://users.roblox.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://www.roblox.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "roblox-badge-checker@jonathen.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}