Ignore node_modules

Author: parkerbxyz

_config.yml

@@ -10,7 +10,7 @@ locale : "en-US"
 title : "GitHub Cheatsheets"
 title_separator : "-"
 name : "GitHub, Inc."
-description :
+description :
 baseurl : # the subpath of your site, e.g. "/blog"
 gh_repo : github/training-kit
 teaser : # filename of teaser fallback teaser image placed in /images/, .e.g. "500x300.png"
@@ -64,6 +64,7 @@ exclude:
 - Gemfile
 - Gemfile.lock
 - gems
+- node_modules
 - Procfile
 - Rakefile
 - README.md