DataType refactoring preparation - Entity refactoring

src/Umbraco.Core/Models/Entities/ContentEntitySlim.cs

@@ -0,0 +1,17 @@
+namespace Umbraco.Core.Models.Entities
+{
+    /// <summary>
+    /// Implements <see cref="IContentEntitySlim"/>.
+    /// </summary>
+    public class ContentEntitySlim : EntitySlim, IContentEntitySlim
+    {
+        /// <inheritdoc />
+        public string ContentTypeAlias { get; set; }
+
+        /// <inheritdoc />
+        public string ContentTypeIcon { get; set; }
+
+        /// <inheritdoc />
+        public string ContentTypeThumbnail { get; set; }
+    }
+}