This adds more clear information why unlocking the IFD that is part of the 8MB
chip is highly recommended these days.
Related to https://github.com/merge/skulls/issues/175

tarfile already has the subdirectory structure

Latest release might be for the x230t, not the x230.

similar to the x230_skulls

Latest release might be for the x230t, not the x230.

x230t is part of the version / tag now.

x230 is part of the version now

as we want to create release packages per device too

Maintaining and releasing the skulls project is something I like to do
but also something that is not exactly becoming more easy when
time is scarse and there is no compensation at all :)

- don't output path to systemctl to stout

Fixes #142

Closes #133

This is what could go to blobs/x230/ in Heads.

see #125