🎨 Consistency fixes for pyfiction and the documentation

[marcelwa]

Description

This PR includes some polishing of pyfiction and the documentation.

Checklist:

• The pull request only contains commits that are related to it.
• I have added appropriate tests and documentation.
• I have created/adjusted the Python bindings for any new or updated functionality.
• I have made sure that all CI jobs on GitHub pass.
• The pull request introduces no new warnings and follows the project's style guidelines.

[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.21%. Comparing base (aba8072) to head (5bfabd7).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #427   +/-   ##
=======================================
  Coverage   98.21%   98.21%           
=======================================
  Files         214      214           
  Lines       28873    28874    +1     
  Branches     1367     1368    +1     
=======================================
+ Hits        28358    28359    +1     
  Misses        515      515           

Files	Coverage Δ
...on/algorithms/physical_design/hexagonalization.hpp	100.00% <100.00%> (ø)
...ithms/physical_design/post_layout_optimization.hpp	100.00% <100.00%> (ø)
...on/algorithms/physical_design/wiring_reduction.hpp	98.66% <100.00%> (ø)
.../algorithms/simulation/sidb/operational_domain.hpp	97.20% <100.00%> (+0.40%)	⬆️
include/fiction/layouts/cell_level_layout.hpp	100.00% <100.00%> (ø)
include/fiction/utils/layout_utils.hpp	98.96% <100.00%> (+<0.01%)	⬆️

... and 2 files with indirect coverage changes

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