update Gemfile to reflect current usage.

jarrodu · jarrodu · commit d57f72182791 · 2016-10-06T10:24:04.000+02:00
https://help.github.com/articles/setting-up-your-github-pages-site-locally-with-jekyll/ https://github.com/github/pages-gem
diff --git a/Gemfile b/Gemfile
@@ -1,2 +1,2 @@
 source 'https://rubygems.org'
-gem 'github-pages'
+gem 'github-pages', group: :jekyll_plugins

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,2 @@`
`1`	`1`	`source 'https://rubygems.org'`
`2`		`-gem 'github-pages'`
	`2`	`+gem 'github-pages', group: :jekyll_plugins`