Add audio mode link to items

src/invidious/views/components/item.ecr

@@ -138,10 +138,13 @@
                 </a>
             <% end %>
             <p><a href="/watch?v=<%= item.id %>"><%= item.title %></a></p>
-            <p>
+            <p style="display: flex;">
-                <b>
+                <b style="flex: 1;">
                     <a style="width:100%" href="/channel/<%= item.ucid %>"><%= item.author %></a>
                 </b>
+                <a title="Audio mode" href="/watch?v=<%= item.id %>&amp;listen=1">
+                    <i class="icon ion-md-headset"></i>
+                </a>
             </p>
 
             <h5 class="pure-g">