title: Getting a series in a chart to have different colours for each series item
body: <p>I have 10 items:</p>
  
  <pre><code>Col1, Col2
  One, 1
  Two, 7
  Three, 45
  Four, 2
  etc...
  </code></pre>
  
  <p>By default each series is one colour, so each bar in the chart is the same colour. I would like each bar to have a different colour or gradient. </p>
  
  <p>I can do it by switching the labels to be at the side, but I would like the labels of the series to be on the bottom. </p>