Add GO link

Author: pierre-lecocq

chapters/04-emacs-developing-environments.org

@@ -39,6 +39,7 @@ C languages are very well handled by Emacs and it allows you to edit, debug and
 ** Emacs for Go developers
 
 If you develop in Go, you really should refer to the great [[http://yousefourabi.com/blog/2014/05/emacs-for-go/][Emacs for Go]] article, written by Yousef Ourabi.
+Another one, with videos, is written by Dominik Honnef: [[http://dominik.honnef.co/posts/2013/03/writing_go_in_emacs/][Writing Go in Emacs]]
 
 ** Emacs for PHP developers