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

node_modules/docx/dist/file/paragraph/math/n-ary/math-base.d.ts

@@ -0,0 +1,7 @@
+import { XmlComponent } from '../../../xml-components';
+import { MathComponent } from '../math-component';
+type MathBaseOptions = {
+    readonly children: readonly MathComponent[];
+};
+export declare const createMathBase: ({ children }: MathBaseOptions) => XmlComponent;
+export {};