Aim 1.4: Automated CI/CD Pipeline

[pauladkisson]

• Partial progress towards these goals in Initial Testing Suite #153
• Implement CI/CD pipeline using GitHub Actions
• Run complete test suite on every pull request
• Set up daily automated test runs
• Test across multiple Python versions (following Scientific Python recommendations)
• Test across multiple operating systems
• Create automated build process for package distribution
• Set up automatic PyPI publishing for tagged releases
• Ensure synchronized version numbers between GitHub and PyPI
• Configure release workflow triggers