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

node_modules/is-unicode-supported/index.d.ts

@@ -0,0 +1,12 @@
+/**
+Detect whether the terminal supports Unicode.
+
+@example
+```
+import isUnicodeSupported from 'is-unicode-supported';
+
+isUnicodeSupported();
+//=> true
+```
+*/
+export default function isUnicodeSupported(): boolean;