title: Automatically number sections in RMarkdown
body: <p>I am trying to create a report in R markdown that has sections ordered</p>
  
  <ol>
  <li><p>Section 1 Header</p>
  
  <p>1.1 sub section 1</p>
  
  <p>1.2 sub section 3</p></li>
  <li><p>Section 2 Header</p>
  
  <p>2.1 </p>
  
  <p>2.2 sub section </p>
  
  <pre><code>  2.2.1 another sub section
  </code></pre></li>
  </ol>
  
  <p>Is there a way get R markdown to generate an ordered list like this?</p>