Payment status report parsing

[Maiska123]

• added parsing component to include parsing elements to bankingws

  • parses Payment status to user-friendly format and provides conditional descriptions of processing status

• includes tests that handle example-situations like,

  • Message structure approved
  • Message structure rejected
  • Message content approved
  • Payments partially accepted in message for further processing
  • A single trasaction is rejected

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• follows ISO 20022 Payments Guide 6.2 Example of a Payment Status Report
  • ExtStatusCodes dictionary represents more than ExternalStatusReason1Code has in it.
  • more info about External Code List https://www.iso20022.org/

[fredaspen1]

I'm looking for a dev, for a payment platform for banks, using stablecoin and comply with the iso20022 standard.