Revert "Removed email as it was already a bit too much on the navmenu; better for mobile now and email is still there in the "contact" section using mailto"

This reverts commit b957204804c4af38850c1d8d6fe60596951bc9cf.

prosopopee/themes/exposure/templates/sections/navmenu.html

@@ -36,8 +36,9 @@
          {% endif %}
          </ul>
        </li>
-       {% if section.phone %}
+       {% if section.email or section.phone %}
        <li>
+         <p>{{ section.email }}</p>
          <p>{{ section.phone }}</p>
        </li>
        {% endif %}