P2P Redis Events

[keidrych]

When connecting Redis to P2P networking:

• one copy of a service should assume a 'listener' type of role where it receives events from Redis and passes to the P2P network for delegation

connects #21

[keidrych]

Bull https://github.com/OptimalBits/bull/blob/develop/PATTERNS.md#redis-cluster may provide a simpler approach / enabler