Add mandatory CONTRIBUTORS.md file (#717)

CONTRIBUTORS.md

@@ -0,0 +1,27 @@
+# Contributors
+
+## Project Lead
+
+* [Paul Profizi](https://github.com/PProfizi)
+
+## Individual Contributors
+
+* [Léa Paradis](https://github.com/anslpa)
+* [Camille Bellot](https://github.com/cbellot000)
+* [Roberto Pastor Muela](https://github.com/RobPasMue)
+* [Alex Kaszynski](https://github.com/akaszynski)
+* [Guillem Barroso](https://github.com/GuillemBarroso)
+* [Germán Martínez Ayuso](https://github.com/germa89)
+* [Kathy Pippert](https://github.com/PipKat)
+* [Michael Nale](https://github.com/MichaelNale)
+* [Rafael Canton](https://github.com/rafacanton)
+* [Jess Leonatti](https://github.com/jleonatti)
+* [Jorge Martínez](https://github.com/jorgepiloto)
+* [Jenna Paikowsky](https://github.com/JennaPaikowsky)
+* [Jan Von Rickenbach](https://github.com/janvonrickenbach)
+* [Federico Negri](https://github.com/FedericoNegri)
+* [Revathy Venugopal](https://github.com/Revathyvenugopal162)
+* [Maxime Rey](https://github.com/MaxJPRey)
+* [Antoine Karcher](https://github.com/ansys-akarcher)
+* [Mohamed Koubaa](https://github.com/koubaa)
+* [Ramdane Lagha](https://github.com/rlagha)