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/env/vite-plugin-env.d.ts

@@ -0,0 +1,11 @@
+import type fsMod from 'node:fs';
+import { type Plugin } from 'vite';
+import type { AstroSettings } from '../@types/astro.js';
+interface AstroEnvVirtualModPluginParams {
+    settings: AstroSettings;
+    mode: 'dev' | 'build' | string;
+    fs: typeof fsMod;
+    sync: boolean;
+}
+export declare function astroEnv({ settings, mode, fs, sync, }: AstroEnvVirtualModPluginParams): Plugin | undefined;
+export {};