* Add NOTE about dotenv package * Update note about `dotenv` * Update curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/use-the-.env-file.md Commit reviewer's suggestion Co-authored-by: Tom <20648924+moT01@users.noreply.github.com> Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>