Mount point visibility

[blixenkrone]

Is your feature request related to a problem? Please describe.
I have no visibility over a VM/LXC mount point's. For example when using a service that are writing files to mount point (ie /mnt/tank), this does not appear in the dashboard.

Describe the solution you'd like
I would like to see the mount points and the disk usage.

Describe alternatives you've considered
N/A

Additional context
N/A

This service is amazing, thank you for doing it.