Fix & Document all the data helper scripts

- [x] `coriolis.py` is erroring out
- [ ] `collate.py` runs on CAPI data dumps to spot new modules/ships/commodites ?
- [ ] `commodity.csv` from `collate.py` Used in: `companion.py`, `collate.py` (yes, as well as writing it).
- [ ] `outfitting .csv` from `collate.py`, used in `coriolis.py`
- [ ] `rare_commodity.csv` from ??? Used in: `companion.py`
- [ ] `shipyard.csv` from `collate.py` & used in it first
- [x] `systems.csv` from eddb.io/api. Used in `eddb.py` for `systems.p` which we no longer need.
- [x] `modules.p` from `coriolis.py`
- [x] `ships.p` from `coriolis.py`