feat: add DTOs and services for tax switch integration

- Created SendBulkSaleInvoicesDto for handling bulk sale invoice requests.
- Implemented TaxSwitchSendPayloadDto and related DTOs for tax switch item payloads and results.
- Developed SalesInvoiceTaxSwitchService to manage tax switch operations, including sending and retrieving tax information.
- Added SalesInvoiceTaxService for handling sales invoice tax logic, including bulk sending and persistence of results.
- Introduced NamaTaxSwitchAdapter to interact with the tax switch service, simulating external API responses.
- Created SendBulkSalesInvoicesDto for POS module to handle bulk sales invoice requests.

prisma/seed.ts

@@ -330,6 +330,8 @@ async function main() {
       data: {
         name: 'طلا فروشی',
         economic_code: '0111111111',
+        fiscal_id: '0111111111',
+        partner_token: 'TIS-BA-001',
         license_activation: {
           create: {
             expires_at: startOfToday,