init commit of strongly typed models for implementations of a block editor and the upcoming block list editor

src/Umbraco.Core/Models/Blocks/BlockEditorModel.cs

@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.Models.Blocks
+{
+    /// <summary>
+    /// The base class for any strongly typed model for a Block editor implementation
+    /// </summary>
+    public abstract class BlockEditorModel
+    {
+        /// <summary>
+        /// The data items of the Block List editor
+        /// </summary>
+        public IEnumerable<IPublishedElement> Data { get; }
+    }
+}