Amazon Pay API SDK (Node.js) 2.3.1

Version 2.3.1 - October 2023

• Introducing new API called finalizeCheckoutSession which validates checkout attributes and finalizes checkout session. On success returns charge permission id and charge id. Use this API to process payments for JavaScript-based integrations.
• Introducing new Merchant Onboarding & Account Management APIs, which allows our partners to onboard merchants programatically and as part of account management offer them creation, updation and deletion/dissociation capability.
• Fixed the getReports API to handle null query parameters without throwing errors.
• Added the Sample Code snippets for the Charge APIs, Charge Permission APIs and Refund APIs.
• Updated the README file.