* Update Railway's Redis and Database URL connection string instructions - Clarified instructions for enabling IPv6 by adding the ?family=0 suffix due to lack of IPv4 private networking support * Update www/apps/resources/app/deployment/medusa-application/railway/page.mdx Co-authored-by: Shahed Nasser <shahednasser@gmail.com> * add similar explanation in worker mode * whitespace --------- Co-authored-by: Shahed Nasser <shahednasser@gmail.com>