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

node_modules/docx/dist/file/custom-properties/custom-property.d.ts

@@ -0,0 +1,11 @@
+import { XmlComponent } from '../xml-components';
+export type ICustomPropertyOptions = {
+    readonly name: string;
+    readonly value: string;
+};
+export declare class CustomProperty extends XmlComponent {
+    constructor(id: number, properties: ICustomPropertyOptions);
+}
+export declare class CustomPropertyValue extends XmlComponent {
+    constructor(value: string);
+}