--- a
+++ b/docs/Gemfile
@@ -0,0 +1,10 @@
+source 'https://rubygems.org'
+gem 'jekyll'
+
+group :jekyll_plugins do
+  gem "jekyll-paginate"
+  gem "jekyll-avatar"
+  gem "jekyll-picture-tag"
+  gem "pygments.rb"
+end
+