Merge branch 'develop' into feature/charts-microservice

rowers/templates/course_view.html

@@ -34,6 +34,21 @@
         <th>Manager</th><td>{{ course.manager }}</td>
       </tr>
     </table>
+    <p>
+      {% if course in rower.followed_courses.all %}
+      You have liked this course. If you use <a href="https://performancephones.com/">CrewNerd</a>, you can synchronize this course to your phone in the app.
+      {% else %}
+      By clicking on the link below, you can add the course to your "liked" list, which can be synchronized with the
+      <a href="https://performancephones.com/">CrewNerd</a> app (from your phone).
+      {% endif %}
+    </p>
+    <p>
+      {% if course in rower.followed_courses.all %}
+      <a href="unfollow">Remove this course from your list of liked courses</a>
+      {% else %}
+      <a href="follow">Like this course</a>
+      {% endif %}
+    </p>
   </li>
   <li class="grid_2">
     <div class="mapdiv">