Command execution, CreateContainer command WIP

src/AppCommon/FileTime.App.Core.Abstraction/Extensions/DisposableExtensions.cs

@@ -0,0 +1,9 @@
+using System.Collections.ObjectModel;
+
+namespace FileTime.App.Core.Extensions;
+
+public static class DisposableExtensions
+{
+    public static void AddToDisposables(this IDisposable disposable, ICollection<IDisposable> collection)
+        => collection.Add(disposable);
+}