initial source commit

Disco.Services/_Plugins/PluginCategoryAttribute.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Disco.Services.Plugins
+{
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = true)]
+    public class PluginCategoryAttribute : Attribute
+    {
+        public string DisplayName { get; set; }
+    }
+}