[docs] rankflow > margin

<!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,
    #myChart {
      height: 100%;
      width: 100%;
    }
  </style>
</head>

<body>
  <div id='myChart'></div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    let chartConfig = {
      type: 'rankflow',
      options: {
        colorType: 'color',
        color: '#F90',
        margin: '200px 100px'
      },
      plotarea: {
        margin: 20
      },
      scaleX: {
        labels: ['ON-TIME', 'BAGGAGE', 'PASSENGERS'],
        values: ['ON-TIME', 'BAGGAGE', 'PASSENGERS']
      },
      series: [{
          text: 'Air West',
          ranks: [3, 4, 1],
          rank: 3
        },
        {
          text: 'Braniff',
          ranks: [1, 1, 5],
          rank: 1
        },
        {
          text: 'Capital',
          ranks: [5, 2, 4],
          rank: 4
        },
        {
          text: 'Eastern',
          ranks: [2, 3, 2],
          rank: 2
        },
        {
          text: 'Galaxy',
          ranks: [4, 5, 3],
          rank: 5
        }
      ]
    };

    zingchart.render({
      id: 'myChart',
      data: chartConfig,
      height: '100%',
      width: '100%'
    });
  </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>
  <div id='myChart'></div>
</body>

</html>

html,
body,
#myChart {
  height: 100%;
  width: 100%;
}

let chartConfig = {
  type: 'rankflow',
  options: {
    colorType: 'color',
    color: '#F90',
    margin: '200px 100px'
  },
  plotarea: {
    margin: 20
  },
  scaleX: {
    labels: ['ON-TIME', 'BAGGAGE', 'PASSENGERS'],
    values: ['ON-TIME', 'BAGGAGE', 'PASSENGERS']
  },
  series: [{
      text: 'Air West',
      ranks: [3, 4, 1],
      rank: 3
    },
    {
      text: 'Braniff',
      ranks: [1, 1, 5],
      rank: 1
    },
    {
      text: 'Capital',
      ranks: [5, 2, 4],
      rank: 4
    },
    {
      text: 'Eastern',
      ranks: [2, 3, 2],
      rank: 2
    },
    {
      text: 'Galaxy',
      ranks: [4, 5, 3],
      rank: 5
    }
  ]
};

zingchart.render({
  id: 'myChart',
  data: chartConfig,
  height: '100%',
  width: '100%'
});