Examine source code of Quantix - Calculator & Unit Converter

{
  "manifest_version": 3,
  "name": "Quantix - Calculator & Unit Converter",
  "short_name": "Quantix",
  "version": "4.0",
  "description": "Quantix is a lightweight, responsive utility calculator and comprehensive unit converter.",
  "author": "Pro Bandey",
  "homepage_url": "https://Pro-Bandey.github.io/Projects/?Pro=Quantix",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "64": "icons/64.png",
    "128": "icons/128.png",
    "256": "icons/256.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png",
      "64": "icons/64.png",
      "128": "icons/128.png",
      "256": "icons/256.png"
    }
  },
  "sidebar_action": {
    "default_title": "Quantix - Calculator & Unit Converter",
    "default_panel": "index.html",
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png",
      "64": "icons/64.png",
      "128": "icons/128.png",
      "256": "icons/256.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "optional_permissions": [
    "bookmarks",
    "topSites",
    "search"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "quantix@pro-bandey.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}