Add foundation

Toolkit.Foundation/IDisposer.cs

@@ -0,0 +1,16 @@
+namespace Toolkit.Foundation;
+
+public interface IDisposer
+{
+    void Add(object subject, 
+        params object[] objects);
+
+    TDisposable Replace<TDisposable>(object subject,
+        IDisposable disposer,
+        TDisposable replacement) where TDisposable : IDisposable;
+
+    void Remove(object subject, 
+        IDisposable disposer);
+
+    void Dispose(object subject);
+}