riversong code showcase

Source/Engine/Core/Attributes/ServiceAttribute.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace DanieleMarotta.RiversongCodeShowcase
+{
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+    public class ServiceAttribute : Attribute
+    {
+        public ServiceAttribute(Type serviceType = null)
+        {
+            ServiceType = serviceType;
+        }
+
+        public Type ServiceType { get; set; }
+    }
+}