Examine source code of Twitch Carousel Remover

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "twitch_carousel_remover",
  "content_scripts": [
    {
      "matches": [
        "*://*.twitch.tv/*"
      ],
      "js": [
        "main.js"
      ]
    }
  ],
  "permissions": [
    "twitch.tv"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f002b06b-6aca-4335-9655-cb9b8b57410f}"
    }
  }
}