JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://raw.github.com/pake007/simple-clone/master/simpleclone.css">
<script src="https://raw.github.com/pake007/simple-clone/master/simpleclone.js"></script>
 <div class='project_group'>
    <input id='user_projects_name' name='user[projects][name]'></input>
    <input id='user_projects_description' name='user[projects][description]'></input>
     <input type='file' id='user_projects_image' name='user[projects][image]'></input>
  </div>

JavaScript

$(document).ready(function(){
$('.project_group').simple_clone({
    nested: true
  });
    });