Intro torchrun in CLI

[Wh1isper]

Description

This is an experimental feature that introduces torchrun for native supporting PyTorch distributed training.

Alternative: torchrun $(which sdgx)

Motivation and Context

How has this been tested?

Manually, as wrapper is not compatible with click.testing.CliRunner

Types of changes

• Maintenance (no change in code, maintain the project's CI, docs, etc.)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[sweep-ai]

Apply Sweep Rules to your PR?

• Apply: All new business logic should have corresponding unit tests.
• Apply: Refactor large functions to be more modular.
• Apply: Add docstrings to all functions and file headers.

[codecov-commenter]

Codecov Report

Attention: 24 lines in your changes are missing coverage. Please review.

Comparison is base (76e3eb0) 76.27% compared to head (d5269cb) 75.68%.

Files	Patch %	Lines
sdgx/cli/utils.py	42.85%	20 Missing ⚠️
sdgx/utils.py	50.00%	4 Missing ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #88      +/-   ##
==========================================
- Coverage   76.27%   75.68%   -0.60%     
==========================================
  Files          58       58              
  Lines        2230     2274      +44     
==========================================
+ Hits         1701     1721      +20     
- Misses        529      553      +24     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.