Support pub/sub in pika when replicated, i will do the codis part

[kolinfluence]

if someone can do the replication feature of pika's pubsub, i can do the codis section

Which PikiwiDB functionalities are relevant/related to the feature request?

other

Description

Support pub/sub in codis

Proposed solution

Support pub/sub in codis

Alternatives considered

none

[AlexStocks]

QX: redis 官方要不推荐 pub/sub