title: R devtools: package documentation on first page of the manual
body: <p>How do I make <code>devtools::build_manual</code> put package documentation on the first page of the manual?</p>
  <pre><code>#' flowNet: Mapping the Topology of Single Cell Data
  #'
  #' Some text...
  #'
  #' @section Some more text...
  #'
  #' @docType package
  #' @name flowNet
  NULL
  #&gt; NULL
  
  .datatable.aware &lt;- TRUE
  </code></pre>
  <p>Output: <a href="https://i.stack.imgur.com/ZT361.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ZT361.jpg" alt="enter image description here" /></a></p>