title: How to make Primeng chart legend's color panel as circular?
body: <p>Currently I have this chart option,</p>
  
  <pre><code>this.chartOptions = {
    legend: { position: "bottom" },
    usePointStyle:true
  };
  </code></pre>
  
  <p>and chart data</p>
  
  <pre><code>this.chartData = {
    labels: labels,
    datasets: [
      {
        data: data,
        backgroundColor: ['#BFC9CA', '#E1D03B', '#9BBB59', '#00B0F0', '#8064A2', '#FF8C00'],
        pointStyle: 'circle'
      }
    ]
  };
  </code></pre>
  
  <p>How to create a circular color label which will be displayed in the bottom?</p>