Plan:
- [ ] Deploy maven indexer exporter services (one per maven indexes: maven-central, ...)
- [ ] Deploy frontend to expose maven indexer exporter results (*.fld files)
- [ ] Deploy maven worker services: lister + loader
- [ ] scheduler (saatchi): Restart swh-scheduler-schedule-recurrent service (so maven tasks are scheduled)
- [ ] Add maven central to the maven listing
- [ ] Checks