Added blog.dmodel
diff --git a/examples/org.eclipse.epsilon.examples.picto.xtext.domainmodel.picto/blog.dmodel b/examples/org.eclipse.epsilon.examples.picto.xtext.domainmodel.picto/blog.dmodel
index e69de29..37b5eef 100644
--- a/examples/org.eclipse.epsilon.examples.picto.xtext.domainmodel.picto/blog.dmodel
+++ b/examples/org.eclipse.epsilon.examples.picto.xtext.domainmodel.picto/blog.dmodel
@@ -0,0 +1,21 @@
+datatype String
+
+entity Blog {
+    title: String
+    many posts: Post
+}
+
+entity HasAuthor {
+    author: String
+}
+
+entity Post extends HasAuthor {
+    title: String
+    content: String
+    many comments: Comment
+}
+
+entity Comment extends HasAuthor {
+    content: String
+    many responses: Comment
+}