Refactoring of beam shear calculation, add test for beam shea

StructureHelperCommon/Models/Codes/CodeRevision.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Codes
+{
+    public class CodeRevision : ICodeRevision
+    {
+        public Guid Id { get; }
+        public ICodeEntity CodeEntity { get; set; }
+        public string RevisionNumber { get; set; }
+        public DateOnly PublicationDate { get; set; }
+        public RevisionStatus RevisionStatus { get; set; }
+        public string FullName => $"{CodeEntity.FullName} Rev. {RevisionNumber} ({PublicationDate})";
+
+        public CodeRevision(Guid id)
+        {
+            Id = id;
+        }
+
+    }
+}