Update SampleDataController.cs

src/ProjectTemplates/Web.Spa.ProjectTemplates/content/ReactRedux-CSharp/Controllers/SampleDataController.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
 
 namespace Company.WebApplication1.Controllers
 {