Changes to Add Payments to Account

the request property items/accountNamespace became required

the request property items/paymentDescription became required

removed the request property items/referenceNumber

added the new OTHER CREDIT enum value to the request property items/categoryCode

added the non-success response with the status 400

added the non-success response with the status 500

the response property ClientId became required for the status 200

the response property Message became required for the status 200

the response property ProcessedRecords became required for the status 200

the response property Status became required for the status 200

the Message response's property default value Inbound process ends without errors was added for the status 200

the Status response's property default value SUCCESS was added for the status 200

removed the ERROR enum value from the Status response property for the response status 200

removed the FAILURE enum value from the Status response property for the response status 200

removed the SUCCESS enum value from the Status response property for the response status 200

endpoint added