Incorrect CITATION and copyright statement

[vkantchev]

This repository was copied verbatim from:
https://github.com/swift-earth-science/tropess-notes-python

Please update the citation with the original one:
https://github.com/swift-earth-science/tropess-notes-python/blob/main/CITATION.cff
https://github.com/swift-earth-science/tropess-notes-python/blob/main/README.md

Also please include a link to the original repo in README.

[vkantchev]

In addition the original code is a special Template Repository so that it can be launched in GitHub Codespaces