title: How to use Arbre gem in rails?
body: <p>I want to try the Arbre gem for rails. There is an example on this page: <a href="https://github.com/activeadmin/arbre/blob/master/README.md" rel="nofollow">https://github.com/activeadmin/arbre/blob/master/README.md</a></p>
  
  <p>Where must I paste the next code?</p>
  
  <pre><code>html = Arbre::Context.new do
    h2 "Why is Arbre awesome?"
  
    ul do
      li "The DOM is implemented in ruby"
      li "You can create object oriented views"
      li "Templates suck"
    end
  end
  </code></pre>
  
  <p>I want to try the code above, but I don't know where I must paste it. Which file? Which method? I pasted the code into my controller, but it doesn't work.</p>