create container

src/client/js/services/CustomizeContainer.js

@@ -0,0 +1,20 @@
+import { Container } from 'unstated';
+
+/**
+ * Service container for admin customize setting page (Customize.jsx)
+ * @extends {Container} unstated Container
+ */
+export default class CustomizeContainer extends Container {
+
+  constructor(appContainer) {
+    super();
+
+    this.appContainer = appContainer;
+
+    this.state = {
+      layoutType: appContainer.config.layoutType,
+    };
+
+  }
+
+}