message: docs: place download section in angular pipes to the top
  This commit partially addresses
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diff: Every application starts out with what seems like a simple task: get data, transform them, and show them to users.
  Getting data could be as simple as creating a local variable or as complex as streaming data over a WebSocket.
  +<div class="alert is-helpful">
  +
  + For the sample app that this page describes, see the <live-example></live-example>.
  +
  +</div>
  +
  Once data arrives, you could push their raw `toString` values directly to the view,
  but that rarely makes for a good user experience.
  For example, in most use cases, users prefer to see a date in a simple format like
  @@ -16,8 +22,6 @@ In fact, you might like to apply them in your HTML templates as you do styles.
  Introducing Angular pipes, a way to write display-value transformations that you can declare in your HTML.
  -You can run the <live-example></live-example> in Stackblitz and download the code from there.
  -
  ## Using pipes
  