Added Disposer

Framework/Foundation/Lifecycles/IDisposer.cs

@@ -0,0 +1,10 @@
+namespace Toolkit.Framework.Foundation;
+
+public interface IDisposer
+{
+    void Add(object subject, params object[] objects);
+
+    void Remove(object subject, IDisposable disposer);
+
+    void Dispose(object subject);
+}