[DOC] Deep learning and feature based clustering notebooks

[TonyBagnall]

Describe the issue linked to the documentation

we now have expanded clustering considerably, it would nice to have a notebook and it would be good generally to update this page

https://www.aeon-toolkit.org/en/stable/examples/clustering/clustering.html

Suggest a potential alternative/fix

No response

[hadifawaz1999]

linked to this

[Edgeshot27]

@TonyBagnall what exactly is this issue still open

[MatthewMiddlehurst]

This issue is already assigned and has a PR. It is just generally updating the notebook to document new functionality.