Examine source code of YouTube Tab Sort

{
  "manifest_version": 3,
  "name": "YouTube Tab Sort",
  "version": "1.0.7",
  "description": "Sort YouTube tabs by title, uploader, date, or duration.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{3ae87c82-d04d-4d26-accc-197f94e405e2}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "icons/icon.svg",
    "128": "icons/icon.svg"
  },
  "permissions": [
    "tabs",
    "contextMenus",
    "storage"
  ],
  "host_permissions": [
    "*://*.youtube.com/*",
    "https://www.googleapis.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": "icons/icon.svg",
    "default_title": "YouTube Tab Sort Settings"
  }
}