Update .mailmap

Author: superkd37

.mailmap

@@ -121,6 +121,7 @@ Ken Howard <ken@simplicatedweb.com>
 Kevin Lang  <klang2012@gmail.com>
 kimamula <kenji.imamula@gmail.com> # Kenji Imamula
 Kitson Kelly  <me@kitsonkelly.com>
+Krishnadas Babu <krishnadas100033@gmail.com>
 Klaus Meinhardt  <klaus.meinhardt1@gmail.com>
 Kyle Kelley <rgbkrk@gmail.com>
 Lorant Pinter <lorant.pinter@prezi.com>