Update buildspec.yml

Author: jaredmoody

infra/buildspec.yml

@@ -9,7 +9,8 @@ phases:
       - bundle install --jobs 4 --retry 3
   pre_build:
     commands:
-      - bundle exec ruby -r './lib/monokai_sublime_slate' -e "File.write('source/stylesheets/rouge.css', Rouge::Themes::MonokaiSublimeSlate.render(scope: '.highlight')); File.write('source/stylesheets/rouge_print.css', \"* { transition:none!important; }\n\" + Rouge::Themes::Base16::Solarized.render(scope: '.highlight'))"
+      - |
+        bundle exec ruby -r './lib/monokai_sublime_slate' -e "File.write('source/stylesheets/rouge.css', Rouge::Themes::MonokaiSublimeSlate.render(scope: '.highlight')); File.write('source/stylesheets/rouge_print.css', \"* { transition:none!important; }\n\" + Rouge::Themes::Base16::Solarized.render(scope: '.highlight'))"
       - rm source/stylesheets/rouge.css.erb source/stylesheets/rouge_print.css.erb
   build:
     commands: