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[parham-membari-terradue]

Hello @fabricebrito , could you please review this pull request when you have a time?

Updates:

• git actions: .github/workflow/build.yml & git actions/package.yml
• add pycalrissian/about.py
• add project.toml

things the might need to be updated are under project.toml:

[project.scripts]
pycalrissian = "pycalrissian/__init__"

Thanks!