chore: update contributors

Author: daviddias

package.json

@@ -70,6 +70,7 @@
     "Nicola Greco <me@nicola.io>",
     "Pedro Teixeira <i@pgte.me>",
     "Richard Littauer <richard.littauer@gmail.com>",
+    "Richard Schneider <makaretu@gmail.com>",
     "Victor Bjelkholm <victorbjelkholm@gmail.com>",
     "greenkeeperio-bot <support@greenkeeper.io>",
     "kumavis <kumavis@users.noreply.github.com>",