feat: natural light

[pluAtAnsys]

Description

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Issue linked

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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 38.79310% with 71 lines in your changes missing coverage. Please review.

Project coverage is 88.06%. Comparing base (d6f4525) to head (17e9795).

Files with missing lines	Patch %	Lines
src/ansys/speos/core/source.py	37.83%	69 Missing ⚠️
src/ansys/speos/core/project.py	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #633      +/-   ##
==========================================
- Coverage   89.12%   88.06%   -1.06%     
==========================================
  Files          39       39              
  Lines        5343     5456     +113     
==========================================
+ Hits         4762     4805      +43     
- Misses        581      651      +70     

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