Crack Calculator was added

StructureHelperCommon/Models/Calculators/ICalculator.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using TaskManager;
+
+namespace StructureHelperCommon.Models.Calculators
+{
+    public interface ICalculator : ICloneable
+    {
+        string Name { get; set; }
+        /// <summary>
+        /// Method for calculating
+        /// </summary>
+        void Run();
+        /// <summary>
+        /// Result of Calculations
+        /// </summary>
+        IResult Result { get; }
+    }
+}