```ruby
require 'rubygems'
require 'bundler/setup'

Bundler.require(:default)

require 'disco/markdown_helper'
```

Include the markdown helper into ActionView
user
```ruby
require 'rubygems'
require 'bundler/setup'

Bundler.require(:default)

require 'disco/markdown_helper'

ActionView::Base.send(:include, Disco::MarkdownHelper)
```
assistant