Add David Karoly to current maintainers

Change-Id: I924aa99b8ab3f8a0f6b92a8b83f31c6ab5a8d942
Reviewed-on: https://review.haiku-os.org/c/haiku/+/5524
Reviewed-by: David Karoly <karolyd577@gmail.com>
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>

src/apps/aboutsystem/Credits.h

@@ -525,6 +525,7 @@ static const Translation kTranslations[] = {
 	"Brian Hill\n" \
 	"Fredrik Holmqvist\n" \
 	"Philippe Houdoin\n" \
+	"David Karoly\n" \
 	"Kacper Kasper\n" \
 	"Ryan Leavengood\n" \
 	"Andrew Lindesay\n" \