Examine source code of ThreatLocker Web Control

{
  "manifest_version": 2,
  "name": "ThreatLocker Web Control Extension",
  "description": "The ThreatLocker Web Control Extension enforces web access security policies while keeping the user experience seamless.",
  "version": "1.3.0",
  "permissions": [
    "webNavigation",
    "tabs",
    "http://localhost:5252/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6bdd07ae-1b18-4478-8e83-c1d2f0afb94a}"
    }
  }
}