orbit-basic/app/views/desktop/co_authors/index.html.erb

<h1>list all coauthor</h1>
<%= link_to "New Co-Author", new_desktop_co_author_path %>
<%= link_to "New Type",  desktop_co_author_relations_path %>
<table>
  <tr>
    <th>Name</th>
    <th>EMail</th>
    <th>Type</th>
    <th></th>
    <th></th>
    <th></th>
  </tr>

<% @co_authors.each do |co_author| %>
  <tr>
    <td><%= co_author.co_author %></td>
    <td><%= co_author.email %></td>
    <td><%= co_author.type%></td>
    <td><%= link_to 'Edit', edit_desktop_co_author_path(co_author) %></td>
    <td><%= link_to 'Destroy', desktop_co_author_path(co_author), method: :delete, confirm: 'Are you sure?'  %></td>
  </tr>
<% end %>
</table>
<br />