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

node_modules/is-interactive/index.js

@@ -0,0 +1,7 @@
+export default function isInteractive({stream = process.stdout} = {}) {
+	return Boolean(
+		stream && stream.isTTY &&
+		process.env.TERM !== 'dumb' &&
+		!('CI' in process.env)
+	);
+}