Handle API errors in frontend

[abhish3kk]

Display proper error messages if the API fails. Goo

check this: https://github.com/alan2207/bulletproof-react/blob/master/apps/react-vite/src/lib/api-client.ts
and
https://github.com/alan2207/bulletproof-react/blob/master/apps/react-vite/src/app/routes/app/discussions/discussion.tsx