Fix App.jsx two-page workflow JSX render and update study app layout

node_modules/docx/dist/file/xml-components/initializable-xml-component.d.ts

@@ -0,0 +1,4 @@
+import { XmlComponent } from '.';
+export declare abstract class InitializableXmlComponent extends XmlComponent {
+    constructor(rootKey: string, initComponent?: InitializableXmlComponent);
+}