Register an application

This endpoint register applications for the merchant. The applications
are given limited scopes which is in control of the merchant.

Allowed Values for scopes field are:

ModuleScope
IAMOneAPIIAM/applications.write OneAPIIAM/tenants.read OneAPIIAM/tenants.write
OrdersOneAPICommerce/orders.write OneAPICommerce/orders.read
Language
Authorization
URL
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