Examine source code of PriceDrop

{
  "manifest_version": 3,
  "name": "PriceDrop",
  "short_name": "PriceDrop",
  "version": "0.1.2",
  "description": "Отслеживайте цены Wildberries и Ozon, смотрите историю изменений и получайте уведомления о снижении.",
  "incognito": "not_allowed",
  "icons": {
    "16": "assets/icons/icon-16.png",
    "32": "assets/icons/icon-32.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "action": {
    "default_title": "PriceDrop",
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "32": "assets/icons/icon-32.png"
    }
  },
  "background": {
    "scripts": [
      "background/service-worker.js"
    ],
    "type": "module"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "alarms"
  ],
  "host_permissions": [
    "https://price-drop.ru/*"
  ],
  "optional_host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "pricedrop-firefox@price-drop.ru",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "browsingActivity"
        ]
      }
    }
  }
}