New Icons and Zoom of graph were added

StructureHelperCommon/Services/Forces/TupleConverter.cs

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+using LoaderCalculator.Data.Matrix;
+using LoaderCalculator.Data.Ndms;
+using LoaderCalculator.Logics;
+using StructureHelperCommon.Models.Forces;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace StructureHelperCommon.Services.Forces
+{
+    public static class TupleConverter
+    {
+        static readonly IStressLogic stressLogic = new StressLogic();
+        public static StrainMatrix ConvertToLoaderStrainMatrix(StrainTuple strainTuple)
+        {
+            var strainMatrix = new StrainMatrix() { Kx = strainTuple.Mx, Ky = strainTuple.My, EpsZ = strainTuple.Nz };
+            return strainMatrix;
+        }
+
+        public static StrainTuple ConvertToStrainTuple(IStrainMatrix strainMatrix)
+        {
+            StrainTuple strainTuple = new StrainTuple() { Mx = strainMatrix.Kx, My = strainMatrix.Ky, Nz = strainMatrix.EpsZ };
+            return strainTuple;
+        }
+
+        public static ForceTuple ConvertToForceTuple(IEnumerable<INdm> ndms, StrainTuple strainTuple)
+        {
+            var strainMatrix = ConvertToLoaderStrainMatrix(strainTuple);
+            var forceMatrix = stressLogic.GetForceMatrix(ndms, strainMatrix);
+            var forceTuple = ConvertToForceTuple(forceMatrix);
+            return forceTuple;
+        }
+
+        public static ForceTuple ConvertToForceTuple(IForceMatrix forceMatrix)
+        {
+            ForceTuple forceTuple = new()
+            {
+                Mx = forceMatrix.Mx,
+                My = forceMatrix.My,
+                Nz = forceMatrix.Nz
+            };
+            return forceTuple;
+        }
+    }
+}