docs:` Redirecting` fix route handler path (#72617)
Hi, Team.
The path of route handler seems to be missing `api` and I'd like to fix
it.
(`middleware.ts` above the route handler file, it requests to
`/api/redirects..`)
<img width="650" alt="image"
src="https://github.com/user-attachments/assets/f9ff3034-de36-42ec-8d85-a4a923005fdf">
Thank you :)
### Improving Documentation
- correct route handler path
---------
Co-authored-by: hyungji <hj@doodlin.co.kr>
Co-authored-by: Delba de Oliveira <32464864+delbaoliveira@users.noreply.github.com>
