KeepDelta 0.2.0

🎉 KeepDelta v0.2.0 – JOSS Publication and Citation Support

• JOSS paper published: KeepDelta is now peer-reviewed and published in the Journal of Open Source Software.
• README.md now includes clear citation instructions.
• A CITATION.cff file has been added to support GitHub’s “Cite this repository” feature.