Add BeamShearCalculator

StructureHelperLogics/Models/BeamShears/IHasBeamShearSections.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.Models.BeamShears
+{
+    public interface IHasBeamShearSections
+    {
+        List<IBeamShearSection> ShearSections { get; }
+    }
+}