Examine source code of Basket Random Unblocked

{
  "manifest_version": 2,
  "name": "Basket Random Unblocked",
  "version": "2.0",
  "description": "Play Basket Random Unblocked game right in your web browser!",
  "browser_action": {
    "default_icon": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d88a98ce-4771-49d2-a460-1e4ac90f4fe1}"
    }
  }
}