Examine source code of Task-based Tab Groups

{
  "manifest_version": 3,
  "name": "Task-based Tab Groups",
  "version": "1.0",
  "description": "Automatically group tabs based on the task you’re working on.",
  "icons": {
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b4d7a2c9-f3e5-4a9c-b7d2-c8e5f0b5c3a1}"
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}