Minor improvements to addConGroup

[A-CGray]

Purpose

Was reading the docstring of addConGroup and found a couple of mistakes and missing pieces of information so I fixed them. I also added a warning that will be raised when a constraint has neither upper nor lower bounds defined.

Expected time until merged

no rush

Type of change

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (non-backwards-compatible fix or feature)
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Documentation update
• Maintenance update
• Other (please describe)

Testing

Checklist

• I have run ruff check and ruff format to make sure the Python code adheres to PEP-8 and is consistently formatted
• I have formatted the Fortran code with fprettify or C/C++ code with clang-format as applicable
• I have run unit and regression tests which pass locally with my changes
• I have added new tests that prove my fix is effective or that my feature works
• I have added necessary documentation

[Copilot]

Pull Request Overview

This PR improves the addConGroup function documentation and adds a validation warning. It fixes docstring errors and clarifies parameter descriptions, while also adding a runtime warning for constraints that have neither upper nor lower bounds defined.

• Fixed docstring description to reference constraints instead of variables
• Updated parameter documentation to clarify optional nature and default behaviors
• Added warning validation for constraints without bounds

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.27%. Comparing base (8554985) to head (1e5f1fb).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #463      +/-   ##
==========================================
+ Coverage   86.26%   86.27%   +0.01%     
==========================================
  Files          24       24              
  Lines        3429     3432       +3     
==========================================
+ Hits         2958     2961       +3     
  Misses        471      471              

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[ewu63]

This can be expanded upon by explaining that it needs to be an iterable of str which specifies the DVGroups which are sensitive to.