Examine source code of URL Switcher

{
  "manifest_version": 3,
  "version": "1.1.0",
  "name": "URL Switcher",
  "description": "An extension that allows user to quickly switch between Google accounts for Gmail, Drive, Calendar etc. with a single click.",
  "author": "arvindpunk",
  "background": {
    "scripts": [
      "background/scripts.js"
    ]
  },
  "permissions": [
    "activeTab"
  ],
  "action": {
    "default_icon": {
      "16": "action/icon16.png",
      "24": "action/icon24.png",
      "32": "action/icon32.png",
      "48": "action/icon48.png"
    },
    "default_title": "Switch Account"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac04aa84-8d5e-42e4-9a82-423c23f3bdcf}",
      "strict_min_version": "109.0"
    }
  }
}