- add GBaseEntry attribute

GBase/Attributes/GBaseEntryAttribute.cs

@@ -0,0 +1,18 @@
+// Author: Gockner, Simon
+// Created: 2020-01-24
+// Copyright(c) 2020 SimonG. All Rights Reserved.
+
+using System;
+using GBase.Interfaces;
+
+namespace GBase.Attributes
+{
+    /// <summary>
+    /// Tags a property as an <see cref="IGBaseEntry"/>
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Property)]
+    public class GBaseEntryAttribute : Attribute
+    {
+        
+    }
+}