feat: implement tax switch functionality with Nama adapter

- 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.

src/modules/pos/pos.service.ts

@@ -39,6 +39,7 @@ export class PosService {
                                 id: true,
                                 name: true,
                                 code: true,
+                                logo_url: true,
                               },
                             },
                           },