NWUKFS-390 - (VAT9) Calculate ouput Vat on income tx
* Refactor tax input parameters into parameter object: TaxDetailsRequest
* Introduce TaxDetailsRequest & factory methods to ease creation
* Add additional tax details request when generating customer invoice document
NWUKFS-300 - (GEN.3) Address US states
* Refactor KFSConstants.COUNTRY_CODE_UNITED_STATES -> COUNTRY_CODE_DEFAULT = "ZA"
NWUKFS-420 Ingest custom workflow as part of data migration module lifecycle
* extract rice once clean is complete