private/dev/dragdrop.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Drag-Drop</title>
  </head>
  <body>
    <style>
      main {
        text-align: center;
        margin: 20px auto;
        max-width: 400px;
      }
    </style>
    <main class="foo">
      <h1>Drag-drop is here</h1>

      <input type="text"/>
      <div id="uppyDragDrop"></div>
      <div id="uppyDragDrop-progress"></div>
      <input type="text"/>
    </main>

    <script src="./index.js" type="module"></script>
  </body>
</html>