[Docs] Flame chart

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>
  <script nonce="undefined" src="https://cdn.zingchart.com/zingchart.min.js"></script>
  <style>
    html,
    body {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100%;
    }

    .chart--container {
      min-height: 150px;
      width: 100%;
      height: 100%;
    }

    .zc-ref {
      display: none;
    }
  </style>
</head>

<body>
  <!-- CHART CONTAINER -->
  <div id="myChart" class="chart--container">
    <a class="zc-ref" href="https://www.zingchart.com/">Powered by ZingChart</a>
  </div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"]; // window:load event for Javascript to run after HTML
    // because this Javascript is injected into the document head
    window.addEventListener('load', () => {
      // Javascript code to execute after DOM content
      let chartConfig = {
        type: 'flame',
        plotarea: {
          margin: '10 10 10 10'
        },
        scaleX: {},
        tooltip: {
          text: "<span style='font-size:19px'>%data-vbtext</span><br>Global value: %data-value (%data-percent%)<br>Local value: %data-local-value (%data-local-percent%)"
        },
        options: {
          palette: ['#ff9900']
        },
        series: []
      };
      fetch('/api/file/X2GRC1WK/m9JaezkmToq9YsTjHjd8_stacks.json')
        .then(res => res.json())
        .then(data => {
          // assign series data
          chartConfig.series = data;
          // render chart
          zingchart.render({
            id: 'myChart',
            width: '100%',
            height: 450,
            output: 'svg',
            data: chartConfig
          });
        }).catch(e => {
          console.error('Error fetching data for flame chart');
        });
    });
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>
  <script src="https://cdn.zingchart.com/zingchart.min.js"></script>
</head>

<body>
  <!-- CHART CONTAINER -->
  <div id="myChart" class="chart--container">
    <a class="zc-ref" href="https://www.zingchart.com/">Powered by ZingChart</a>
  </div>
</body>

</html>

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

.chart--container {
  min-height: 150px;
  width: 100%;
  height: 100%;
}

.zc-ref {
  display: none;
}

// window:load event for Javascript to run after HTML
// because this Javascript is injected into the document head
window.addEventListener('load', () => {
  // Javascript code to execute after DOM content
  let chartConfig = {
    type: 'flame',
    plotarea: {
      margin: '10 10 10 10'
    },
    scaleX: {},
    tooltip: {
      text: "<span style='font-size:19px'>%data-vbtext</span><br>Global value: %data-value (%data-percent%)<br>Local value: %data-local-value (%data-local-percent%)"
    },
    options: {
      palette: ['#ff9900']
    },
    series: []
  };
  fetch('/api/file/X2GRC1WK/m9JaezkmToq9YsTjHjd8_stacks.json')
    .then(res => res.json())
    .then(data => {
      // assign series data
      chartConfig.series = data;
      // render chart
      zingchart.render({
        id: 'myChart',
        width: '100%',
        height: 450,
        output: 'svg',
        data: chartConfig
      });
    }).catch(e => {
      console.error('Error fetching data for flame chart');
    });
});