Add logic for import of combination from xls files

StructureHelperCommon/Models/Forces/Logics/IGetTupleByExcelReaderLogic.cs

@@ -0,0 +1,16 @@
+using ExcelDataReader;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Forces
+{
+    public interface IGetTupleByExcelReaderLogic : ILogic
+    {
+        IColumnedFileProperty ForceFileProperty { get; set;}
+        IForceTuple GetForceTuple(IExcelDataReader? reader);
+    }
+}