index.html.erb

<h2>Licenses</h2>
<table>
  <tr>
    <th>Name</th>
    <th>Total</th>
    <th>Used</th>
    <th>Remaining</th>
  </tr>
  <% License.all.each do |license| %>
  <tr>
    <td><%= license.name %></td>
    <td><%= license.capacity %></td>
    <td><%= license.used_count %></td>
    <td><%= license.remaining %></td>
  </tr>
  <% end %>
</table>