Examine source code of Kick Stream Overlay for Twitch

{
  "name": "Kick Stream Overlay for Twitch",
  "description": "Automatically overlays the Kick.com version of a Twitch stream over the Twitch video player while preserving Twitch chat.",
  "version": "1.1",
  "manifest_version": 3,
  "permissions": [
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://www.twitch.tv/*",
    "https://player.kick.com/*",
    "https://kick.com/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.twitch.tv/*"
      ],
      "js": [
        "ext-api.js",
        "content.js"
      ],
      "css": [
        "overlay.css"
      ]
    },
    {
      "matches": [
        "https://player.kick.com/*"
      ],
      "js": [
        "kick-hide.js"
      ],
      "css": [
        "kick-hide.css"
      ],
      "all_frames": true
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*.png",
        "icons/*.webp"
      ],
      "matches": [
        "https://www.twitch.tv/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "kick-overlay@example.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}