ensure empty dir exists

fix path confusion when signing fwupdx64.efi

Fixes #6.

fix multiple bugs and incomplete documentation

Fixes #1, fixes #2, fixes #3 and fixes #4.
Thanks to @glynx.

add systemd-cryptenroll configuration

catch packaging import error

fix unexpected booting of old kernel versions

Fixes a bug on Debian/Ubuntu where the boot priority was set incorrectly,
resulting in old kernel versions being preferred over newer ones.

fix kernel module signing

improve readme, add check-enrollment subcommand, deprecate redundant …

…dkms-signing-enabled option

fix crash when kmodsign is missing

fix broken fstring in _find_module_signing_tool()