CONTRIBUTORS.md

The following people contributed to the developpement of this code (chronologic order):

+ Alexis Gamelin
+ Ryutaro Nagaoka
+ Watanyu Foosang
+ Naoto Yamamoto
+ David Amorim
+ Antonin Sauret
+ Vadim Gubaidulin
+ Keon Hee Kim
+ Salah Eddine Feddaoui Dellalou
+ Teresia Olsson