add utility to submit nersc batch jobs

[gipert]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 32 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.69%. Comparing base (a68e9c7) to head (e1e2956).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
workflow/src/legendsimflow/cli.py	0.00%	32 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #63      +/-   ##
==========================================
- Coverage   61.17%   59.69%   -1.49%     
==========================================
  Files          19       19              
  Lines        1208     1238      +30     
==========================================
  Hits          739      739              
- Misses        469      499      +30     

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