Examine source code of Amazon Product Scraper

{
  "manifest_version": 3,
  "name": "Amazon Product Scraper",
  "short_name": "AmazonScraper",
  "version": "1.1.1",
  "description": "Instantly extract ASIN, Price, and Brand from any Amazon product page and copy to clipboard for Excel in one click.",
  "author": "Steve Gates",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "Amazon Product Scraper"
  },
  "permissions": [
    "activeTab",
    "scripting",
    "clipboardWrite",
    "storage"
  ],
  "host_permissions": [
    "https://www.amazon.com/*",
    "https://www.amazon.in/*",
    "https://www.amazon.co.uk/*",
    "https://www.amazon.de/*",
    "https://www.amazon.ca/*",
    "https://www.amazon.com.au/*",
    "https://www.amazon.co.jp/*",
    "https://www.amazon.fr/*",
    "https://www.amazon.es/*",
    "https://www.amazon.it/*",
    "https://www.amazon.nl/*",
    "https://www.amazon.se/*",
    "https://www.amazon.pl/*",
    "https://www.amazon.ae/*",
    "https://www.amazon.sa/*",
    "https://www.amazon.sg/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.amazon.com/*",
        "https://www.amazon.in/*",
        "https://www.amazon.co.uk/*",
        "https://www.amazon.de/*",
        "https://www.amazon.ca/*",
        "https://www.amazon.com.au/*",
        "https://www.amazon.co.jp/*",
        "https://www.amazon.fr/*",
        "https://www.amazon.es/*",
        "https://www.amazon.it/*",
        "https://www.amazon.nl/*",
        "https://www.amazon.se/*",
        "https://www.amazon.pl/*",
        "https://www.amazon.ae/*",
        "https://www.amazon.sa/*",
        "https://www.amazon.sg/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "amazon-product-scraper@stevegates",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}