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/assets/build/remote.d.ts

@@ -0,0 +1,8 @@
+export type RemoteCacheEntry = {
+    data: string;
+    expires: number;
+};
+export declare function loadRemoteImage(src: string): Promise<{
+    data: Buffer;
+    expires: number;
+}>;