title: Add Quantity Fields to Variations in Woocommerce
body: <p>Is it possible to add quantity fields like: 
  <img src="https://i.stack.imgur.com/Acvu2.jpg" alt="enter image description here"> </p>
  
  <p>I found a <a href="http://www.eggplantstudios.ca/woocommerce-product-variation-add-cart-grid/" rel="nofollow noreferrer">workaround</a> but it only seems to with one variation attribute.</p>
  
  <p>I need a cumulative effect as shown in the image</p>