Feature/issue 229 add joss info

[danielfromearth]

GitHub Issue: #229

Description

This change updates the CITATION and README with JOSS info.

Local test steps

N/A

Overview of integration done

N/A

PR Acceptance Checklist

• [n/a] Unit tests added/updated and passing.
• [n/a] Integration testing
• CHANGELOG.md updated
• Documentation updated (if needed).

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📚 Documentation preview 📚: https://ncompare--234.org.readthedocs.build/en/234/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.10%. Comparing base (7e1bd99) to head (fd6f450).
Report is 77 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #234   +/-   ##
========================================
  Coverage    90.10%   90.10%           
========================================
  Files            6        6           
  Lines          475      475           
========================================
  Hits           428      428           
  Misses          47       47           

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