Add section about creating partitions non-interactively with `parted`

[bertvv]

See example here:

linux-training-hogent/modules/storage_raid/050_raid_solution.md

Lines 19 to 26 in e70dcdf

	> In this example, we use `parted` non-interactively as an alternative to `fdisk`.
	```console
	[vagrant@raidlab ~]$ sudo parted /dev/sdb --script mklabel gpt
	[vagrant@raidlab ~]$ sudo parted /dev/sdb --script --align optimal mkpart primary 0% 100%
	[vagrant@raidlab ~]$ sudo parted /dev/sdb set 1 raid on
	Information: You may need to update /etc/fstab.
	```