Icons for force result were added

StructureHelperLogics/NdmCalculations/Analyses/ByForces/LimitCurve/ILimitCurveLogic.cs

@@ -0,0 +1,14 @@
+using StructureHelperCommon.Models.Shapes;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ByForces
+{
+    public interface ILimitCurveLogic
+    {
+        List<IPoint2D> GetPoints(List<IPoint2D> points);
+    }
+}