Gemfile in omniauth-google-oauth2-1.0.1

- old
+ new

@@ -3,5 +3,6 @@
 source 'https://rubygems.org'
 
 gem 'omniauth-google-oauth2', '~> 0.8.1'
 gem 'rubocop'
 gem 'sinatra', '~> 1.4'
+gem 'webrick'