Add bad_by_PSD()

[nabilalibou]

Issue #143

Merge Checklist

• Respect the matlab_strict flag
• Documentation
• Clearly show how the new option is an improvement (use test data)
• Unit test coverage
• Compliance with PEP 8
• the PR has been reviewed and all comments are resolved
• all CI checks pass
• the PR description includes the phrase closes #<issue-number> to automatically close an issue
• bug fixes, new features, or API changes are documented in whats_new.rst
• Add my missing ORCID in the CITATION.cff file

[codecov]

Codecov Report

❌ Patch coverage is 21.42857% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 97.42%. Comparing base (e4840d9) to head (1fc9fcc).
⚠️ Report is 52 commits behind head on main.

Files with missing lines	Patch %	Lines
pyprep/find_noisy_channels.py	21.42%	11 Missing ⚠️

❌ Your patch status has failed because the patch coverage (21.42%) is below the target coverage (98.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #145      +/-   ##
==========================================
- Coverage   98.89%   97.42%   -1.48%     
==========================================
  Files           7        7              
  Lines         725      738      +13     
==========================================
+ Hits          717      719       +2     
- Misses          8       19      +11     

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