Add Yusuke to credits

misaochan · web-flow · commit bc1fbc3b742a · 2016-09-06T01:29:32.000+12:00
diff --git a/CREDITS b/CREDITS
@@ -13,3 +13,4 @@ their contribution to the product.
 * Stephen Niedzielski
 * Josephine Lim
 * Adam Jones
+* Yusuke Matsubara
