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

node_modules/astro/zod.d.ts

@@ -0,0 +1,5 @@
+import * as mod from 'zod';
+export * from 'zod';
+export { mod as z };
+export default mod;
+export as namespace Zod;