Carbon Fiber Material was Added

StructureHelperLogics/Models/Materials/FRMaterials/IFRMaterial.cs

@@ -0,0 +1,14 @@
+using StructureHelperCommon.Models.Materials.Libraries;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.Models.Materials
+{
+    public interface IFRMaterial : IElasticMaterial
+    {
+        
+    }
+}