Migration to v5

[yasserf]

According to the survey (limited responses unfortunately) it seems that a few people are on pretty old deepstream versions.

I would like to use this issue for people to voice their concerns to upgrading.

Please first read the upgrade guides:

https://deepstream.io/tutorials/upgrade-guides/v4/server/ https://deepstream.io/tutorials/upgrade-guides/v4/client/

https://deepstream.io/tutorials/upgrade-guides/v5/server/ https://deepstream.io/tutorials/upgrade-guides/v5/client/