Add comprehensive documentation, E2E tests, and CI/CD workflow

[walkerbdev]

Description

• Add JSDoc enforcement and comprehensive docstrings across Python and JavaScript
• Implement Playwright E2E test suite for UI validation
• Add GitHub Actions CI workflow for cross-platform testing
• Add full autolog support for PyTorch Lightning and TensorFlow/Keras
• Reorganize examples into core, ml_frameworks, and domain_specific categories
• Consolidate config files and improve documentation structure
• Remove unique constraint on run names for better usability
• Update README with improved problem statement and ecosystem comparison

Fixes # (issue)

Type of change

• Bug fix (non-breaking change which fixes an issue)
• [ x] New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ x] Documentation update

How Has This Been Tested?

All tests

• Test A
• Test B

Checklist

• [ x] My code follows the style guidelines of this project
• [ x] I have performed a self-review of my own code
• [ x] I have commented my code, particularly in hard-to-understand areas
• [ x] I have made corresponding changes to the documentation
• [ x] My changes generate no new warnings
• [ x] I have added tests that prove my fix is effective or that my feature works
• [ x] New and existing unit tests pass locally with my changes
• [ x] I have run pre-commit run --all-files and it passes