Examine source code of Tiktok Likeomatic

{
  "manifest_version": 2,
  "name": "Tiktok Likeomatic",
  "description": "Automatic like clicker for TikTok live streams. Give your favorite streamer some love!",
  "version": "1.0.1",
  "author": "Tommy Holmberg",
  "content_scripts": [
    {
      "matches": [
        "*://*.tiktok.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Likeomatic Controls"
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{39dfdab3-5f4f-4f64-a666-cf3886d33525}"
    }
  }
}