Examine source code of Scrivy Book Scout — KDP research & tracking

{
  "manifest_version": 3,
  "name": "Scrivy Book Scout — KDP research & tracking",
  "version": "0.1.2",
  "description": "Free BSR, sales estimates and niche stats on Amazon book searches. Track any book's rank, price and reviews with email alerts.",
  "permissions": [
    "storage",
    "alarms"
  ],
  "host_permissions": [
    "https://*.amazon.com/*",
    "https://*.amazon.co.uk/*",
    "https://*.amazon.ca/*",
    "https://*.amazon.de/*",
    "https://*.amazon.fr/*",
    "https://*.amazon.es/*",
    "https://*.amazon.it/*",
    "https://*.amazon.com.au/*",
    "https://www.scrivy.co/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.amazon.com/*",
        "https://*.amazon.co.uk/*",
        "https://*.amazon.ca/*",
        "https://*.amazon.de/*",
        "https://*.amazon.fr/*",
        "https://*.amazon.es/*",
        "https://*.amazon.it/*",
        "https://*.amazon.com.au/*"
      ],
      "js": [
        "content/amazon.js"
      ],
      "css": [
        "content/amazon.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.scrivy.co/extension/*"
      ],
      "js": [
        "content/connect.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "book-scout@scrivy.co",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "websiteContent",
          "searchTerms"
        ]
      }
    }
  }
}