Start to port main gut of the foundation

Toolkit.Foundation/Lifecycles/Initialization.cs

@@ -0,0 +1,23 @@
+namespace Toolkit.Foundation
+{
+    public class Initialization : IInitialization
+    {
+        private readonly Func<IEnumerable<IInitializer?>> factory;
+
+        public Initialization(Func<IEnumerable<IInitializer?>> factory)
+        {
+            this.factory = factory;
+        }
+
+        public async Task InitializeAsync()
+        {
+            foreach (IInitializer? initializer in factory())
+            {
+                if (initializer is not null)
+                {
+                    await initializer.InitializeAsync();
+                }
+            }
+        }
+    }
+}