Examine source code of Intimate Shopping Extractor

{
  "manifest_version": 3,
  "name": "Intimate Shopping Cart Extractor",
  "version": "1.2.1",
  "description": "Extract and save shopping items from 20+ European & global fashion sites.",
  "permissions": [
    "activeTab",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://api.intimateshopping.app/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "intimate-shopping@intimateshopping.app",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteContent"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "homepage_url": "https://intimateshopping.app",
  "content_scripts": [
    {
      "matches": [
        "*://*.zalando.nl/*",
        "*://*.zalando.de/*",
        "*://*.zalando.fr/*",
        "*://*.zalando.co.uk/*",
        "*://*.zalando.it/*",
        "*://*.zalando.es/*",
        "*://*.zalando.at/*",
        "*://*.zalando.ch/*",
        "*://*.zalando.be/*",
        "*://*.zalando.pl/*",
        "*://*.zalando.se/*",
        "*://*.zalando.dk/*",
        "*://*.zalando.fi/*",
        "*://*.zalando.no/*",
        "*://*.amazon.com/*",
        "*://*.amazon.co.uk/*",
        "*://*.amazon.de/*",
        "*://*.amazon.nl/*",
        "*://*.amazon.fr/*",
        "*://*.amazon.it/*",
        "*://*.amazon.es/*",
        "*://*.amazon.ca/*",
        "*://*.amazon.com.au/*",
        "*://*.amazon.co.jp/*",
        "*://*.asos.com/*",
        "*://*.shein.com/*",
        "*://*.shein.co.uk/*",
        "*://*.shein.de/*",
        "*://*.shein.fr/*",
        "*://*.shein.es/*",
        "*://*.shein.it/*",
        "*://*.hm.com/*",
        "*://*.zara.com/*",
        "*://*.vinted.com/*",
        "*://*.vinted.nl/*",
        "*://*.vinted.de/*",
        "*://*.vinted.fr/*",
        "*://*.vinted.co.uk/*",
        "*://*.vinted.it/*",
        "*://*.vinted.es/*",
        "*://*.vinted.be/*",
        "*://*.vinted.pl/*",
        "*://*.vinted.pt/*",
        "*://*.vinted.lt/*",
        "*://*.aboutyou.com/*",
        "*://*.aboutyou.nl/*",
        "*://*.aboutyou.de/*",
        "*://*.aboutyou.fr/*",
        "*://*.aboutyou.it/*",
        "*://*.aboutyou.es/*",
        "*://*.temu.com/*",
        "*://*.primark.com/*",
        "*://*.boohoo.com/*",
        "*://*.prettylittlething.com/*",
        "*://*.nastygal.com/*",
        "*://*.mango.com/*",
        "*://*.next.co.uk/*",
        "*://*.nextdirect.com/*",
        "*://*.aliexpress.com/*",
        "*://*.depop.com/*",
        "*://*.cos.com/*",
        "*://*.stories.com/*",
        "*://*.uniqlo.com/*",
        "*://*.bershka.com/*",
        "*://*.pullandbear.com/*",
        "*://*.massimodutti.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}