Support for imperative and reactive `RoutingConnectionFactory`

[githubcheng2978]

support RoutingConnectionFactory like datasource?

[mp911de]

Probably a topic for Spring Data Redis 3.0. We should also make ReactiveRedisConnectionFactory return Mono for connection allocation.

[githubcheng2978]

Probably a topic for Spring Data Redis 3.0. We should also make ReactiveRedisConnectionFactory return Mono for connection allocation.

ok. is there a plan for it?, and I want to provide some help。