feat(customers): add DTOs for individual and legal customer creation

- Created CreateCustomerIndividualDto for individual customer data with fields: first_name, last_name, national_code, postal_code, is_favorite, and economic_code.
- Created CreateCustomerLegalDto for legal customer data with fields: company_name, economic_code, registration_number, and postal_code.

src/generated/prisma/enums.ts

@@ -10,7 +10,9 @@
 */
 
 export const PaymentMethodType = {
+  TERMINAL: 'TERMINAL',
   CASH: 'CASH',
+  SET_OFF: 'SET_OFF',
   CARD: 'CARD',
   BANK: 'BANK',
   CHECK: 'CHECK',
@@ -47,3 +49,20 @@ export const UnitType = {
 } as const
 
 export type UnitType = (typeof UnitType)[keyof typeof UnitType]
+
+
+export const CustomerType = {
+  INDIVIDUAL: 'INDIVIDUAL',
+  LEGAL: 'LEGAL',
+  UNKNOWN: 'UNKNOWN'
+} as const
+
+export type CustomerType = (typeof CustomerType)[keyof typeof CustomerType]
+
+
+export const SalesInvoiceItemPricingModel = {
+  STANDARD: 'STANDARD',
+  GOLD: 'GOLD'
+} as const
+
+export type SalesInvoiceItemPricingModel = (typeof SalesInvoiceItemPricingModel)[keyof typeof SalesInvoiceItemPricingModel]