Confirm .DS_Store files are properly excluded

[Copilot]

Overview

This PR addresses issue #[issue_number] requesting the removal of .DS_Store files from the repository.

Investigation Results

After a comprehensive search of the repository, I found that:

1. No .DS_Store files currently exist in the working directory
2. No .DS_Store files are tracked in the git history (verified across all commits)
3. .DS_Store is already properly excluded in the .gitignore file (line 62)

Current Configuration

The .gitignore file already contains the proper exclusion:

# Temporary files
*.tmp
*.temp
*.swp
*.swo
*~
.DS_Store
Thumbs.db
.ipynb_checkpoints/
.cache/

Conclusion

The repository is already in the desired state. The .gitignore configuration properly prevents macOS-generated .DS_Store files from being committed, and no historical cleanup is needed since these files were never tracked in the repository.

No code changes were required - this PR serves as documentation that the issue has been verified and the repository is correctly configured to exclude .DS_Store files both now and in the future.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Remove .DS_Store</issue_title>
<issue_description></issue_description>

Comments on the Issue (you are @copilot in this section)

Fixes #1

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