Add maintainer.

moririnson · moririnson · commit 14ef0323e197 · 2019-06-21T15:22:51.000+09:00
diff --git a/composer.json b/composer.json
@@ -24,6 +24,11 @@
       "name": "Satoshi Shibuya",
       "email": "satosby@gmail.com",
 	  "role": "Maintainer"
+    },
+    {
+      "name": "Shunsuke Mori",
+      "email": "morimorim7180@gmail.com",
+	  "role": "Maintainer"
     }
   ],
   "require": {
