Examine source code of ASIN Scanner Pro

{
  "manifest_version": 3,
  "name": "ASIN Scanner Pro",
  "version": "11.11.11.11",
  "description": "Amazon ASIN Scanner",
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "scripting",
    "clipboardWrite"
  ],
  "host_permissions": [
    "https://*.amazon.com/*",
    "https://*.amazon.co.uk/*",
    "https://*.amazon.ca/*",
    "https://*.amazon.de/*",
    "https://*.amazon.fr/*",
    "https://*.amazon.it/*",
    "https://*.amazon.es/*",
    "https://*.amazon.co.jp/*",
    "https://*.amazon.in/*",
    "https://*.amazon.com.br/*",
    "https://*.amazon.com.mx/*",
    "https://*.amazon.com.au/*",
    "https://*.amazon.nl/*",
    "https://*.amazon.sg/*",
    "https://*.amazon.ae/*",
    "https://*.amazon.sa/*",
    "https://*.amazon.se/*",
    "https://*.amazon.pl/*",
    "https://*.amazon.com.tr/*",
    "https://*.amazon.eg/*"
  ],
  "action": {
    "default_title": "ASIN Scanner Pro",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_title": "ASIN Scanner Pro",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    },
    "open_at_install": false
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "asin-scanner-pro@example.com",
      "strict_min_version": "128.0"
    }
  }
}