chore: update contributors

Author: alanshaw

package.json

@@ -145,6 +145,7 @@
     "Pete Thomas <pete@xminusone.net>",
     "Richard Littauer <richard.littauer@gmail.com>",
     "Richard Schneider <makaretu@gmail.com>",
+    "Roman Khafizianov <requilence@gmail.com>",
     "Stephen Whitmore <stephen.whitmore@gmail.com>",
     "Tara Vancil <tbvanc@gmail.com>",
     "Travis Person <travis.person@gmail.com>",