title: redirect to root_path
body: <p>My route has <em>root</em> set to :</p>
  
  <pre><code>root :to =&gt; "posts#index", :locale =&gt; :en
  </code></pre>
  
  <p>But /en/posts/ and /en/posts/index is still accessible, showing "duplicate" content from the root_path. I would like to redirect to root_path, if one of those paths is used.</p>
  
  <p>That way, I can avoid duplicate content in search engines and my users have a more consistent experience: a resource lives on only one place and one place only (REST).</p>