Examine source code of Figma Time Tracker

{
  "manifest_version": 2,
  "name": "Figma Time Tracker",
  "version": "1.0",
  "description": "Tracks and displays the time you spend on Figma projects.",
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.figma.com/*"
      ],
      "js": [
        "popup.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{eb01c4d0-b3a9-469b-9c41-7b27fd2a9442}"
    }
  }
}