Engage with DoK community

[tylergu]

Data on Kubernetes Community is a community focusing on running statefulset workloads on Kubernetes; and Kubernetes operator is a very important topic in their community.
They even have sig-operator in their community.

This is their slack channel: https://join.slack.com/t/dokcommunity/shared_invite/zt-1vgv7ymz7-YtLFvZicrcLP9fS3o_r2_w

[tianyin]

joined the slack

Let's first test the two operators in #278 and then post something there