OECD Guidelines Modelling

[jmillanacosta]

Issues related to OECD TGs.

• [ ] #177

---

2 main components:

• Wikidata subset of OECD TGs,
• Separate module indicating which guidelines describe which endpoints for which materials (see https://github.com/jmillanacosta/nano_test_guidelines_landscape/blob/main/oecd.ipynb)