Add Andrei Arlou in copyright list (mapstruct#1906)

Captain1653 · web-flow · commit f3b0badcefc6 · 2019-09-15T13:37:42.000+03:00
diff --git a/copyright.txt b/copyright.txt
@@ -3,6 +3,7 @@
 
 Alexandr Shalugin - https://github.com/shalugin
 Andreas Gudian - https://github.com/agudian
+Andrei Arlou - https://github.com/Captain1653
 Andres Jose Sebastian Rincon Gonzalez - https://github.com/stianrincon
 Arne Seime - https://github.com/seime
 Christian Bandowski - https://github.com/chris922
