Added link to blog!

README.md

@@ -5,4 +5,6 @@ Our intention is to move everything from SourceForge to GitHub in due time while
 
 Discussion group: https://groups.google.com/forum/#!forum/dddsample
 
+Development blog: https://citerus.github.io/dddsample-core/
+
 [![Build Status](https://travis-ci.org/citerus/dddsample-core.svg?branch=master)](https://travis-ci.org/citerus/dddsample-core)