Make node tree visualisation of ontology for jupyter notebook

[francescalb]

Description:

Type of change:

• Bug fix.
• New feature.
• Documentation update.

Checklist:

This checklist can be used as a help for the reviewer.

• Is the code easy to read and understand?
• Are comments for humans to read, not computers to disregard?
• Does a new feature has an accompanying new test (in the CI or unit testing schemes)?
• Has the documentation been updated as necessary?
• Does this close the issue?
• Is the change limited to the issue?
• Are errors handled for all outcomes?
• Does the new feature provide new restrictions on dependencies, and if so is this documented?

Comments:

[CasperWA]

I could not sort out this branch according to the pre-commit hooks, etc., since parts of this branch is still very much work-in-progress. Sorry. I hope you can sort it out yourself eventually? 😅