README.md in zache-0.2.0 vs README.md in zache-0.3.0

@@ -1,4 +1,5 @@
+[![EO principles respected here](http://www.elegantobjects.org/badge.svg)](http://www.elegantobjects.org)
 [![DevOps By Rultor.com](http://www.rultor.com/b/yegor256/zache)](http://www.rultor.com/p/yegor256/zache)
 [![We recommend RubyMine](http://www.elegantobjects.org/rubymine.svg)](https://www.jetbrains.com/ruby/)
 
 [![Build Status](https://travis-ci.org/yegor256/zache.svg)](https://travis-ci.org/yegor256/zache)
 [![Gem Version](https://badge.fury.io/rb/zache.svg)](http://badge.fury.io/rb/zache)