Examine source code of Twitch Bot list

{
  "manifest_version": 3,
  "name": "Twitch Bot list",
  "version": "1.3",
  "description": "Shows twitch bots in different color.",
  "content_scripts": [
    {
      "matches": [
        "*://www.twitch.tv/*"
      ],
      "js": [
        "botlist.js",
        "content.js"
      ]
    }
  ],
  "icons": {
    "48": "icons/icon350.png",
    "256": "icons/icon350.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "twitchext@cripplerick.com"
    }
  },
  "action": {
    "default_icon": {
      "256": "icons/icon350.png"
    }
  }
}