Replace cron with systemctl enable

[silentvw]

Using systemctl enable will do the automatic reboot and you don't need to use cronjob.

[That-Guy-Jack]

The service sometimes doesn't start automaticly i've found, i will add this but also add a note saying if it doesn't auto start blah blah

[That-Guy-Jack]

Looks like this has already been done in another pull request sorry this didn't get done earlier 👍