Examine source code of Paladin Log4j Immunizer

{
  "name": "Paladin Log4j Immunizer",
  "description": "Protection against log4j websocket attacks by disabling websockets to localhost and private IPs.",
  "version": "1.0.0",
  "manifest_version": 2,
  "author": "Paladin Cyber",
  "background": {
    "scripts": [
      "build/tsc/bundle.js"
    ]
  },
  "permissions": [
    "<all_urls>",
    "webRequest",
    "webRequestBlocking"
  ],
  "browser_action": {
    "default_icon": {
      "16": "images/logo16.png",
      "32": "images/logo32.png",
      "48": "images/logo48.png",
      "128": "images/logo128.png"
    },
    "default_title": "Stopping websocket connections against localhost and private IPs."
  },
  "icons": {
    "16": "images/browser-signedin16.png",
    "32": "images/browser-signedin32.png",
    "48": "images/browser-signedin48.png",
    "128": "images/browser-signedin128.png"
  }
}