collector/diskstats: Add labels and metrics from udev
collector/diskstats: Add labels and metrics from udev

Add labels to the `node_disk_info` metric extracted from udev, such as `model`,
`path`, `revision`, `serial` and `wwn`.

Also add a few metrics related to filesystem and device mapper, which are also
extracted from udev information.

Signed-off-by: Benoît Knecht <997e838f901d7e35be0bf9323f1af26102b0853d@protonmail.ch>

prometheus/node_exporter,prometheus/node_exporter,prometheus/node_exporter