It’s a little complicated but I got this to work for me.
https://forum.manjaro.org/t/root-tip-how-to-use-systemd-to-mount-any-device/1185
It’s a little complicated but I got this to work for me.
https://forum.manjaro.org/t/root-tip-how-to-use-systemd-to-mount-any-device/1185