Measurements of units were added

StructureHelperCommon/Infrastructures/Enums/UnitTypes.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Infrastructures.Enums
+{
+    public enum UnitTypes
+    {
+        Length,
+        Area,
+        Stress,
+        Force,
+        Moment
+    }
+}