Example for HTML5 Drag'n'Drop with lit-html

Example for Drag'n'Drop - only verticaly in this example - in lit-html.

Ressources

• lit-html
  • https://polymer.github.io/lit-html/
• HTML5 Drag'n'Drop
  • https://www.w3schools.com/html/html5_draganddrop.asp
• WebComponents
  • https://developers.google.com/web/fundamentals/web-components/customelements#progressively_enhanced_html
  • https://github.com/w3c/webcomponents/