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

node_modules/docx/dist/file/checkbox/checkbox-util.d.ts

@@ -0,0 +1,17 @@
+import { XmlComponent } from '../xml-components';
+export type ICheckboxSymbolProperties = {
+    readonly value?: string;
+    readonly font?: string;
+};
+export type ICheckboxSymbolOptions = {
+    readonly alias?: string;
+    readonly checked?: boolean;
+    readonly checkedState?: ICheckboxSymbolProperties;
+    readonly uncheckedState?: ICheckboxSymbolProperties;
+};
+export declare class CheckBoxUtil extends XmlComponent {
+    private readonly DEFAULT_UNCHECKED_SYMBOL;
+    private readonly DEFAULT_CHECKED_SYMBOL;
+    private readonly DEFAULT_FONT;
+    constructor(options?: ICheckboxSymbolOptions);
+}