systemd unit overrides

These are meant to be in /etc/systemd/system/whatever.service.d/ and thus override the behaviour of the unit either in /etc/systemd/system or /lib/systemd/system.

See ../*.d/ for services that either symlink here or other inspiration for using overrides.

DON’T PLACE THESE IN ACTUAL /etc/systemd/system/service.d OR THEY MIGHT AFFECT ALL SERVICES CAUSING UNEXPECTED BEHAVIOUR!