Fixed user issues (#559)

* Fixed user issues

* feat: add personal_number column to customers for individual identification

* feat: add personal_number field to makeCustomer function for enhanced customer identification

* feat: add personal_number column with constraint check for customer identification

types/index.ts

@@ -477,6 +477,7 @@ export interface Customer {
   vat_number: string | null
   vat_number_validated: boolean
   vat_number_validated_at: string | null
+  personal_number: string | null
 
   // Payment
   default_payment_terms: number  // Days
@@ -828,6 +829,7 @@ export interface CreateCustomerInput {
   country?: string
   org_number?: string
   vat_number?: string
+  personal_number?: string
   default_payment_terms?: number
   notes?: string
 }