Add logic for converting beam shear calculator input data

StructureHelperLogics/Models/BeamShears/IBeamShearSectionLogic.cs

@@ -0,0 +1,18 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Calculators;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.Models.BeamShears
+{
+    public interface IBeamShearSectionLogic : ILogic
+    {
+        IBeamShearSectionLogicInputData InputData { get; set; }
+        IResult Result { get; }
+
+        void Run();
+    }
+}