Examine source code of LAN Chat

{
  "manifest_version": 2,
  "name": "LAN Chat",
  "version": "1.0.0",
  "description": "Peer-to-peer LAN chat application for office use. Chat with colleagues on your local network without internet. Send text messages, images, PDFs, and documents.",
  "author": "Your Name",
  "homepage_url": "https://github.com/yourusername/lan-chat",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    },
    "default_title": "LAN Chat",
    "default_popup": "popup/popup.html"
  },
  "permissions": [
    "storage",
    "notifications"
  ],
  "optional_permissions": [
    "http://127.0.0.1/*",
    "http://localhost/*"
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "lanchat@okexam.co.in",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "collects_personal_data": false,
        "collects_location": false,
        "collects_health_data": false,
        "collects_financial_data": false,
        "collects_authentication_info": false
      }
    }
  }
}