Added initial commands project

src/Discord.Net.Commands/Attributes/GroupAttribute.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace Discord.Commands
+{
+    [AttributeUsage(AttributeTargets.Class)]
+    public class GroupAttribute : Attribute
+    {
+        public string Name { get; }
+        public GroupAttribute(string name)
+        {
+            Name = name;
+        }
+    }
+}