jsdocs zg-param adapter

<!DOCTYPE html>
<html>

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

    zg-caption h1 {
      font-size: 2rem;
    }

    zg-caption p {
      font-size: 1rem;
    }

    zg-head {
      font-size: 1.3rem;
    }

    zing-grid[loading] {
      height: 2854px;
    }
  </style>
</head>

<body>
  <h3>`[adapter]` sets the options for 3rd party datasets.
    In this demo, setting `[adapter="firebase"]` requires no additional
    options to use dataset hosted from Firebase.</h3>
  <zing-grid caption="Movies">
    <zg-data src="https://zinggrid-examples.firebaseio.com/movies">
      <zg-param name="adapter" value="firebase"></zg-param>
    </zg-data>
  </zing-grid>
  <script>
    ZingGrid.setLicense(['26ccbfec16b8be9ee98c7d57bee6e498']);
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

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

<body>
  <h3>`[adapter]` sets the options for 3rd party datasets.
    In this demo, setting `[adapter="firebase"]` requires no additional
    options to use dataset hosted from Firebase.</h3>
  <zing-grid caption="Movies">
    <zg-data src="https://zinggrid-examples.firebaseio.com/movies">
      <zg-param name="adapter" value="firebase"></zg-param>
    </zg-data>
  </zing-grid>
</body>

</html>

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

zg-caption h1 {
  font-size: 2rem;
}

zg-caption p {
  font-size: 1rem;
}

zg-head {
  font-size: 1.3rem;
}