authors: add Aditya Madan to authors

Author: adityamCRL

AUTHORS

@@ -40,6 +40,7 @@ Adam Pantel <adam@cockroachlabs.com>
 Adam Spindler <spindler@cockroachlabs.com>
 Adam Storm <storm@cockroachlabs.com>
 Adam Yao <adam.yao.qinglin@gmail.com>
+Aditya Madan <aditya.madan@cockroachlabs.com>
 Aditya Maru <adityamaru@gmail.com> <@cockroachlabs.com>
 Adwit Tumuluri <adwit.tumuluri@gmail.com> <@cockroachlabs.com>
 Aerin Freilich <aerin.freilich@cockroachlabs.com>