Can't run docker image on ipv6 hosts

[jwhitaker-gridcog]

When deploying on an ipv6 host (for me I'm using the helm chart on an ipv6 EKS cluster), HyperDX listens on just 0.0.0.0. This means I can't connect to it as my pods are ipv6-only.

Ideally this would work ootb, but I had a little poke and it looks like that's not possible with NextJS (or at least i'm not smart enough to work out how). The next best thing would be to allow overriding the listen address, which I'll put up a PR for now.

[teeohhem]

Thanks for the report and PR! The team will review asap.