Add @MartijnCuppens to our core team ! 🎉 (#27562)

Johann-S · XhmikosR · commit f20e46e2da2d · 2018-10-30T19:47:25.000+02:00
diff --git a/site/_data/core-team.yml b/site/_data/core-team.yml
@@ -21,3 +21,6 @@
 
 - name: Andres Galante
   user: andresgalante
+
+- name: Martijn Cuppens
+  user: martijncuppens
