Zoo Navigator image no longer available

[robparrott]

Current helm chart references Zoo Navigator images at v0.6.0, but these are no longer available on docker hub.

Current is here:

• https://hub.docker.com/r/elkozmon/zoonavigator

And does not have separate web and api tiers.

[michaeljmarshall]

@robparrott - thank you for opening this issue. We should have an updated helm chart with a fix next week.