Examine source code of NutriScan

{
  "manifest_version": 3,
  "name": "NutriScan",
  "version": "1.0.0",
  "description": "NutriScan is an all-in-one browser-based solution for Nutrition Facts label processing.",
  "author": "Daniel Boctor",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "background": {
    "scripts": [
      "service-worker.js",
      "constants.js"
    ]
  },
  "permissions": [
    "storage",
    "scripting",
    "activeTab"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "id@nutriscanlabs.com"
    }
  }
}