adding course length to info

rowers/templates/list_courses.html

@@ -28,6 +28,7 @@
         <tr>
           <th> Country</th>
           <th> Name</th>
+          <th> Distance</th>
         </tr>
       </thead>
       <tbody>
@@ -41,6 +42,9 @@
             <a href="/rowers/courses/{{ course.id }}">{{ course.name }}</a>
             {% endif %}
           </td>
+          <td>
+            {{ course|courselength }} m
+          </td>
           
         </tr>