Update Subtasks In Markdown Files

Better ISO support

Only reviewing Files when comparing

Extracted sections from UpdateSubTasksInMarkdownFiles

Models/LineNumber.cs

@@ -1,10 +1,14 @@
+using System.Collections.ObjectModel;
 using System.Text.Json.Serialization;
 
 namespace File_Folder_Helper.Models;
 
 internal record LineNumber(int? Created,
+                           int? Completed,
                            int? H1,
                            int? FrontMatterYamlEnd,
+                           ReadOnlyCollection<string> Lines,
+                           int? Progress,
                            int? Status,
                            int? Type,
                            int? Updated);