Documentation fails to build complaining about vr-python3 not found

[dalonsoa]

Describe the bug
Try to build the documentation and it fails with:

Exception occurred:
  File "/Users/dalonsoa/Documents/Projects/virtual_rainforest/.venv/lib/python3.9/site-packages/jupyter_client/kernelspec.py", line 294, in get_kernel_spec
    raise NoSuchKernel(kernel_name)
jupyter_client.kernelspec.NoSuchKernel: No such kernel named vr_python3

To Reproduce
Steps to reproduce the behavior:

Assuming you have the virtual environment activate, just run:

cd docs
make clean
make html

Expected behavior
The documentation should build without issues.

Screenshots
Not applicable

Desktop (please complete the following information):

• OS: [e.g. iOS] MacOS
• Version [e.g. 22] 12.4

Additional context
Using the plain develop branch with last commit dab3544

[davidorme]

See here: https://github.com/ImperialCollegeLondon/virtual_rainforest/blob/develop/docs/source/development/jupyter_notebooks.md#jupyter-lab

I'm not sure if this is solved by using the poetry venv in project setting. I have a feeling that there is still a local path issue. I may be over engineering this though. I commonly do.