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

node_modules/astro/dist/vite-plugin-load-fallback/index.d.ts

@@ -0,0 +1,9 @@
+import nodeFs from 'node:fs';
+import type * as vite from 'vite';
+type NodeFileSystemModule = typeof nodeFs;
+export interface LoadFallbackPluginParams {
+    fs?: NodeFileSystemModule;
+    root: URL;
+}
+export default function loadFallbackPlugin({ fs, root, }: LoadFallbackPluginParams): vite.Plugin[] | false;
+export {};