Add CytoDataFrame segmentation mask outline capabilities for image display in notebooks

[d33bs]

Description

This PR adds the ability for CytoDataFrame's to display segmentation mask outline capabilities for image displays within notebooks. This is an optional feature which can be used in conjunction with the existing image display capabilities (if no masks are found only the image crop is displayed). I've updated the example notebook to include a demonstration of what this looks like.

Thanks for any feedback or thoughts you may have as part of this!

Closes #33

What kind of change(s) are included?

• [x] Feature (adds or updates new capabilities)
• [ ] Bug fix (fixes an issue).
• [ ] Enhancement (adds functionality).
• [ ] Breaking change (these changes would cause existing functionality to not work as expected).

Checklist

Please ensure that all boxes are checked before indicating that this pull request is ready for review.

• [x] I have read and followed the CONTRIBUTING.md guidelines.
• [x] I have searched for existing content to ensure this is not a duplicate.
• [x] I have performed a self-review of these additions (including spelling, grammar, and related).
• [x] These changes pass all pre-commit checks.
• [x] I have added comments to my code to help provide understanding
• [x] I have added a test which covers the code changes found within this PR
• [x] I have deleted all non-relevant text in this pull request template.

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[d33bs]

Thanks @jenna-tomkinson for the review! I've made changes and comments in reply to your thoughts. Merging this in now.