Examine source code of Kick 4k

{
  "manifest_version": 2,
  "name": "Kick High-Res",
  "version": "1.0",
  "description": "Automatically sets the highest available resolution on Kick.com streams.",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://kick.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "icons/icon-48.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{583460ff-4d21-4270-9544-a79df2d8929b}"
    }
  }
}