* Added new Entity

* Added new Controller

FaKrosnoApi/Controllers/ItemController.cs

@@ -0,0 +1,17 @@
+using Microsoft.AspNetCore.Mvc;
+using SytelineSaAppEfDataModel.Dtos;
+using SytelineSaAppEfDataModel.Services;
+
+namespace FaKrosnoApi.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+public class ItemController(IItemService service) : Controller
+{
+    [HttpGet("by-number")]
+    public async Task<ActionResult<ItemDto>> Get([FromQuery] string itemNumber)
+    {
+        ItemDto item = await service.GetItem(itemNumber);
+        return Ok(item);
+    }
+}