* Added new Entities and Dtos

* Mapping new classes
* Added new services and Controllers in API

SytelineSaAppEfDataModel/Services/EdiCustomerOrderImportService.cs

@@ -0,0 +1,13 @@
+using AutoMapper;
+using Microsoft.EntityFrameworkCore;
+
+namespace SytelineSaAppEfDataModel.Services;
+
+public class EdiCustomerOrderImportService(SytelineSaAppDbContext context, IMapper mapper) : IEdiCustomerOrderImportService
+{
+    public async Task<DateTime> GetLastUpdateDate()
+    {
+        return (await context.EdiCustomerOrderImports.OrderByDescending(x => x.LastUpdateDate)
+            .FirstOrDefaultAsync())?.LastUpdateDate ?? DateTime.Now.Date;
+    }
+}