Implement payments.getPaymentReceipt

[aykutalparslan]

Get payment receipt

payments.paymentReceipt#70c4fe03 flags:# date:int bot_id:long provider_id:long title:string description:string photo:flags.2?WebDocument invoice:Invoice info:flags.0?PaymentRequestedInfo shipping:flags.1?ShippingOption tip_amount:flags.3?long currency:string total_amount:long credentials_title:string users:Vector<User> = payments.PaymentReceipt; ---functions--- payments.getPaymentReceipt#2478d1cc peer:InputPeer msg_id:int = payments.PaymentReceipt;