Add questionnaire link

stijnvanhoey · stijnvanhoey · commit 6d9c35ce1b35 · 2020-10-08T13:39:01.000+02:00
diff --git a/slides.html b/slides.html
@@ -308,6 +308,10 @@
 
 ![:scale 100%](http://esq.h-cdn.co/assets/15/51/980x490/landscape-1450137389-john-cleese.JPG)
 
+### https://forms.gle/PhxSAW768fTBqLJz8
+
+Please fill in the questionnaire!
+
 
 ---
 class: center, middle
