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

node_modules/hast-util-to-text/index.d.ts

@@ -0,0 +1,3 @@
+export { toText } from "./lib/index.js";
+export type Options = import('./lib/index.js').Options;
+export type Whitespace = import('./lib/index.js').Whitespace;