Examine source code of TikTok Player

{
  "name": "TikTok Player",
  "version": "1.1.3",
  "description": "Adds a player to control TikTok videos.",
  "manifest_version": 2,
  "permissions": [
    "storage",
    "clipboardWrite"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.tiktok.com/*"
      ],
      "js": [
        "main.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icons/tiktokPlayerIcon16.png",
    "32": "icons/tiktokPlayerIcon32.png",
    "48": "icons/tiktokPlayerIcon48.png",
    "64": "icons/tiktokPlayerIcon64.png",
    "128": "icons/tiktokPlayerIcon128.png"
  }
}