make client own package (using create-react-app)

client/src/Input.js

@@ -0,0 +1,15 @@
+import React from 'react';
+
+export default function(props) {
+  return (
+    <label>
+      {props.text}
+      <input
+        className={props.name}
+        type="text"
+        placeholder={props.placeholder}
+        onChange={props.onchange.bind(null, props.name)}
+      />
+    </label>
+  );
+}