Refactor routing in App component to enhance navigation and improve error handling by integrating dynamic routes and updating the NotFound route.

node_modules/mdast-util-to-markdown/lib/util/emphasis-strong-marker.d.ts

@@ -0,0 +1,7 @@
+/**
+ * @this {State}
+ * @returns {'*' | '_'}
+ */
+export function emphasisStrongMarker(this: State): "*" | "_";
+import type { State } from '../types.js';
+//# sourceMappingURL=emphasis-strong-marker.d.ts.map