No crontab by default on bluefin atomic distro


symlink thingies :
```bash
ln -s ~/dotefiles/systemd_things/eden-sync.service ~/.config/systemd/user/eden-sync.service
ln -s ~/dotefiles/systemd_things/eden-sync.timer ~/.config/systemd/user/eden-sync.timer
```

then : 

```bash
systemctl --user daemon-reexec
systemctl --user daemon-reload
systemctl --user enable --now eden-sync.timer
```