Add device creation from write command

[vinc]

This will simplify the creation of device files from userspace with the following command: write <path> --dev <name>. It will allow again manual (or scripted) installation of the system.

[vinc]

~
> write clock --dev rtc

~
> read clock
2024-05-25 17:47:50

~
> delete clock

~
> write clock --dev realtime

~
> read clock
1716659284.355946