Why would anyone want to publish their Proxmox admin web console over the internet.?
Surely the wiser approach would be to route that traffic via some sort of VPN, that is unless you are planning on providing access to the public.
There are a multitude of 3rd party add-ons available for Proxmox, I personally think the Devs should focus on getting the core competences in the Proxmox environment functioning at its best and most stable. Let the 3rd party Devs out there deal...
I have 2x TrueNAS storage boxes, but I turned to OMV to handle drives connected via USB (currently 3x connected).
I tried multiple LXC options and ZimaOS before settling on OMV running in VM as the most stable solution with USB connected drives...