Add a few contributors

Author: makowildcat

_data/contributors.yml

@@ -5,4 +5,16 @@
   url: https://fr.linkedin.com/in/nina-grignola-4441031a4
 
 - name: Lucie Augier
-  url: https://www.linkedin.com/in/lucie-augier
+  url: https://www.linkedin.com/in/lucie-augier
+
+- name: Emeline Pellan
+  url: https://github.com/Eme-p2ln
+
+- name: Adrien Cartelot
+  url: https://github.com/Storatare
+
+- name: Charles Gouin-Vallerand
+  url: https://www.usherbrooke.ca/ecole-gestion/personnel/professeurs/simqg/charles-gouin-vallerand
+
+- name: Sébastien George
+  url: http://perso.univ-lemans.fr/~sgeorge