feat: bsdf

[StefanThoene]

Description

Implement bsdf class to allow easy access to bsdf information

Issue linked

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate tests (unit, integration, system).
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved by the PR if any.
• I have assigned this PR to myself.
• I have made sure that the title of my PR follows Conventional commits style (e.g. feat: add optical property)
• I have agreed with the Contributor License Agreement (CLA).

[codecov]

Codecov Report

Attention: Patch coverage is 91.69742% with 45 lines in your changes missing coverage. Please review.

Project coverage is 88.47%. Comparing base (bf8f25b) to head (f67139c).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/ansys/speos/core/bsdf.py	91.57%	45 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #581      +/-   ##
==========================================
+ Coverage   88.06%   88.47%   +0.40%     
==========================================
  Files          38       39       +1     
  Lines        4173     4710     +537     
==========================================
+ Hits         3675     4167     +492     
- Misses        498      543      +45     

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