Examine source code of Container Tab Sorter

{
  "manifest_version": 2,
  "name": "Container Tab Sorter",
  "version": "0.4",
  "description": "Automatically sorts tabs based on their container",
  "permissions": [
    "tabs",
    "contextualIdentities",
    "storage"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "web_accessible_resources": [
    "css/tailwind.min.css",
    "icons/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d64aa496-286a-45ef-9913-aca3002bd6a4}"
    }
  }
}