a68a7f594d
- Add DTOs for tax switch operations including payloads and results. - Create SalesInvoiceFiscalSwitchService to handle sending and retrieving tax data. - Implement SalesInvoiceFiscalService for managing invoice tax submissions and results persistence. - Develop NamaTaxSwitchAdapter for interfacing with the external tax service. - Introduce NamaTaxRequestDto and related classes for structured tax requests.