Examine source code of Alerty

{
  "name": "Alerty",
  "description": "An extension to alert users on price drops in and availability of Amazon/Flipkart Products",
  "version": "1.0.10",
  "manifest_version": 3,
  "icons": {
    "128": "assets/cart-arrow-down-solid.png"
  },
  "background": {
    "page": "background/index.html"
  },
  "action": {
    "default_title": "Alerty",
    "default_popup": "popup/index.html"
  },
  "host_permissions": [
    "https://www.amazon.in/dp/*",
    "https://m.media-amazon.com/images/*",
    "https://*.flipkart.com/*/p/itm*",
    "https://rukminim1.flixcart.com/image/*"
  ],
  "permissions": [
    "notifications",
    "storage",
    "activeTab",
    "alarms"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8a8d43a6-ac26-4e0a-b167-cf9c318628ec}",
      "strict_min_version": "109.0"
    },
    "safari": {
      "strict_min_version": "15.4"
    }
  }
}