SectionTemlate was added

StructureHelperLogics/Models/Templates/CrossSections/IMaterialLogic.cs

@@ -0,0 +1,14 @@
+using StructureHelper.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.Models.Templates.CrossSections
+{
+    internal interface IMaterialLogic
+    {
+        IEnumerable<IHeadMaterial> GetHeadMaterials();
+    }
+}