[Docs] Graphset demo

<!DOCTYPE html>
<html>

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

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

    .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

      // full ZingChart schema can be found here:
      // https://www.zingchart.com/docs/api/json-configuration/
      let myDashboard = {
        /* Graphset array */
        graphset: [{
            /* Object containing chart data */
            type: 'line',
            /* Size your chart using height/width attributes */
            height: '200px',
            width: '100%',
            /* Position your chart using x/y attributes */
            x: '5%',
            y: '5%',
            series: [{
                values: [76, 23, 15, 85, 13]
              },
              {
                values: [36, 53, 65, 25, 45]
              }
            ]
          },
          {
            /* Object containing chart data */
            type: 'funnel',
            height: '55%',
            width: '50%',
            x: '5%',
            y: '200px',
            series: [{
                values: [30]
              },
              {
                values: [15]
              },
              {
                values: [5]
              },
              {
                values: [3]
              }
            ]
          },
          {
            type: 'pie',
            height: '55%',
            width: '50%',
            x: '50%',
            y: '200px',
            series: [{
                values: [15]
              },
              {
                values: [30]
              },
              {
                values: [34]
              }
            ]
          }
        ]
      };


      // render chart with width and height to
      // fill the parent container CSS dimensions
      zingchart.render({
        id: 'myChart',
        data: myDashboard,
        height: '100%',
        width: '100%',
      });
    });
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingGrid: Blank Grid</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 {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

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

.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

  // full ZingChart schema can be found here:
  // https://www.zingchart.com/docs/api/json-configuration/
  let myDashboard = {
    /* Graphset array */
    graphset: [{
        /* Object containing chart data */
        type: 'line',
        /* Size your chart using height/width attributes */
        height: '200px',
        width: '100%',
        /* Position your chart using x/y attributes */
        x: '5%',
        y: '5%',
        series: [{
            values: [76, 23, 15, 85, 13]
          },
          {
            values: [36, 53, 65, 25, 45]
          }
        ]
      },
      {
        /* Object containing chart data */
        type: 'funnel',
        height: '55%',
        width: '50%',
        x: '5%',
        y: '200px',
        series: [{
            values: [30]
          },
          {
            values: [15]
          },
          {
            values: [5]
          },
          {
            values: [3]
          }
        ]
      },
      {
        type: 'pie',
        height: '55%',
        width: '50%',
        x: '50%',
        y: '200px',
        series: [{
            values: [15]
          },
          {
            values: [30]
          },
          {
            values: [34]
          }
        ]
      }
    ]
  };


  // render chart with width and height to
  // fill the parent container CSS dimensions
  zingchart.render({
    id: 'myChart',
    data: myDashboard,
    height: '100%',
    width: '100%',
  });
});