evaluation types

Tsi1.Api/Tsi1.BusinessLayer/Helpers/EvaluationTypes.cs

+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Tsi1.BusinessLayer.Helpers
+{
+    public class EvaluationTypes
+    {
+        public const string Laboratory = nameof(Laboratory);
+        public const string Exam = nameof(Exam);
+        public const string MidTerm = nameof(MidTerm);
+    }
+}