Minor updates to readme
Minor updates to readme

jbpadgett/ddd_sample_app_ruby,makenoisewacamayo/ddd_sample_app_ruby,paulrayner/ddd_sample_app_ruby,makenoisewacamayo/ddd_sample_app_ruby,paulrayner/ddd_sample_app_ruby,jbpadgett/ddd_sample_app_ruby,makenoisewacamayo/ddd_sample_app_ruby,jbpadgett/ddd_sample_app_ruby