a486127ade
- Add SalesInvoiceTspSwitchService to manage TSP provider selection and sending invoices. - Introduce SalesInvoiceTspService for creating, sending, and retrieving sales invoices. - Implement NamaProviderSwitchAdapter for communication with the NAMA TSP provider API. - Define DTOs for request and response structures specific to the NAMA provider. - Enhance error handling and logging for TSP provider interactions.