pyproject.toml add optional dependencies, jupyter_tools is optional

[jdegenstein]

Opening as a draft PR for now for further consideration and also not intended to merge until PR #812 is complete. Open to naming suggestions for the optional dependencies.

[codecov]

Codecov Report

Attention: Patch coverage is 96.29630% with 3 lines in your changes missing coverage. Please review.

Project coverage is 96.72%. Comparing base (dba9831) to head (b5f6c72).
Report is 120 commits behind head on dev.

Files with missing lines	Patch %	Lines
src/build123d/jupyter_tools.py	95.12%	2 Missing ⚠️
src/build123d/operations_generic.py	88.88%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #820      +/-   ##
==========================================
+ Coverage   96.08%   96.72%   +0.64%     
==========================================
  Files          25       25              
  Lines        8499     8577      +78     
==========================================
+ Hits         8166     8296     +130     
+ Misses        333      281      -52     

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[victorpoughon]

Hi! I just saw that PR after I was done working on #829. Good changes :) I think maybe you might wanna call it jupyter_display instead of jupyter_tools as that's a bit more clear to what it does. But that's minor.

I see you also added a tests/test_jupyter_tools.py, so I'll probably have to update that in my PR.