document what redis commands are used for ACL + give example configuration

[Semisol]

[saniddhyaDubey]

I would like to work on it!

[phoenix-server]

Thanks @Saniddhya for the comprehensive Redis ACL documentation! Your guide on configuring Redis with restricted user permissions for production is exactly what Nostream users need. PR #408 has been merged.

[saniddhyaDubey]

Enjoying working on this project. Excited for more contribution.