[c++/python] Add GeometryDataFrame creation

[XanthosXanthopoulos]

Issue and/or context: sc-50295

Changes:

Notes for Reviewer:
Adds basic implementation for GeometryDataFrame in the python API, adds static create method and property accessors.
Adapt already existing read methods from arrow tables to work with the newly introduced complex domain (a struct on values) used by soma_geometry column.

[codecov]

Codecov Report

Attention: Patch coverage is 83.59375% with 21 lines in your changes missing coverage. Please review.

Project coverage is 86.35%. Comparing base (1754fcd) to head (9852763).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3674      +/-   ##
==========================================
+ Coverage   86.29%   86.35%   +0.06%     
==========================================
  Files          55       55              
  Lines        6390     6495     +105     
==========================================
+ Hits         5514     5609      +95     
- Misses        876      886      +10     

Flag	Coverage Δ
python	86.35% <83.59%> (+0.06%)	⬆️

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Components	Coverage Δ
python_api	86.35% <83.59%> (+0.06%)	⬆️
libtiledbsoma	∅ <ø> (∅)