Rpi clusters as hub - Parallel processing on clusters

**How will this technology be helpful?**
If our hub is to deal with a large number of devices at once, it would be interesting to see if we can pack a little cluster and run processes in parallel.

https://medium.com/@simone.dicicco/building-a-raspberry-pi-cluster-with-docker-8d53ee614479

**What do we have currently in its place?**
Nothing
