Add remote theme configuration to _config.yml

Author: Siguning

_config.yml

@@ -27,6 +27,7 @@ baseurl: "" # the subpath of your site, e.g. /blog
 url: "" # the base hostname & protocol for your site, e.g. http://example.com
 twitter_username: Siguning01
 github_username:  siguning
+remote_theme: benbalter/retlab
 
 # Build settings
 theme: minima