Add subtitle

Author: diegorusso

_config.yml

@@ -19,7 +19,7 @@ minimal_mistakes_skin    : "default" # "air", "aqua", "contrast", "dark", "dirt"
 locale                   : "en"
 title                    : ">>> import diegor"
 title_separator          : "-"
-subtitle                 : # site tagline that appears below site title in masthead
+subtitle                 : "just another special module" # site tagline that appears below site title in masthead
 name                     : "Diego Russo"
 description              : "just another special module"
 url                      : "https://www.diegor.it" # the base hostname & protocol for your site e.g. "https://mmistakes.github.io"