Added myself to the authors file... overdue for about 18 month's ^^

AUTHORS

@@ -3,6 +3,7 @@ The authors of open62541 are (in alphabetical order)
 Bauer, Maximilian
 Graube, Markus <markus.graube (at) tu-dresden.de>
 Gruener, Sten <s.gruener (at) plt.rwth-aachen.de>
+Iatrou, Chris Paul <chris_paul.iatrou (at) tu-dresden.de>
 Jeromin, Holger
 Palm, Florian <f.palm (at) plt.rwth-aachen.de>
 Pfrommer, Julius <julius.pfrommer (at) kit.edu>