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

node_modules/docx/dist/file/textbox/textbox.d.ts

@@ -0,0 +1,10 @@
+import { FileChild } from '../file-child';
+import { IParagraphOptions } from '../paragraph';
+import { VmlShapeStyle } from './shape/shape';
+type ITextboxOptions = Omit<IParagraphOptions, "style"> & {
+    readonly style?: VmlShapeStyle;
+};
+export declare class Textbox extends FileChild {
+    constructor({ style, children, ...rest }: ITextboxOptions);
+}
+export {};