add second batch of speakers

Author: NinaWie

_pages/speakers.md

@@ -11,5 +11,9 @@ nav_order: 4
     <div class="row row-cols-1 row-cols-md-3">
     {% include people.liquid name="Constantin Rothkopf" affiliation="TU Darmstadt" url="https://www.pip.tu-darmstadt.de/members_pip/publications.en.jsp" %}
     {% include people.liquid name="Martin Hebart" affiliation="University of Gießen, MPI Leipzig" url="http://martin-hebart.de/" %}
+    {% include people.liquid name="Loes van Dam" affiliation="TU Darmstadt" url="https://www.humanw.tu-darmstadt.de/kontakt_details_71552.en.jsp" %}
+    {% include people.liquid name="Alexander Gail" affiliation="University Göttingen" url="https://www.uni-goettingen.de/de/57950.html" %}
+    {% include people.liquid name="Kristoffer Appel" affiliation="Institute of Sleep and Dream Technologies" url="https://scholar.google.com.au/citations?user=G2k3y3cAAAAJ&hl=sl" %}
+    {% include people.liquid name="Vildan Salikutluk" affiliation="TU Darmstadt" url="https://www.psychologie.tu-darmstadt.de/models-of-higher-cognition/mod/members_mhc/members_mhc_detail_59392.en.jsp" %}
     </div>
 </div>