Slurm templates

[kelly-sovacool]

Changes

Add slurm submission script templates for supported HPC platforms (biowulf, frce) and workflow languages (nextflow, snakemake).

Issues

NA

PR Checklist

(~Strikethrough~ any points that are not applicable.)

• [x] This comment contains a description of changes with justifications, with any relevant issues linked.
• [x] Write unit tests for any new features, bug fixes, or other code changes.
• [x] Update docs if there are any API changes.
• ~[ ] Update CHANGELOG.md with a short description of any user-facing changes and reference the PR number. Guidelines: https://keepachangelog.com/en/1.1.0/~

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 81.81818% with 10 lines in your changes missing coverage. Please review.

Project coverage is 35.22%. Comparing base (ffd78ee) to head (ef6b9aa). Report is 40 commits behind head on main.

Files	Patch %	Lines
src/ccbr_tools/pkg_util.py	58.33%	5 Missing :warning:
src/ccbr_tools/pipeline/nextflow.py	60.00%	4 Missing :warning:
src/ccbr_tools/pipeline/hpc.py	96.66%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #7 +/- ## ========================================== + Coverage 32.01% 35.22% +3.20% ========================================== Files 10 13 +3 Lines 884 1042 +158 ========================================== + Hits 283 367 +84 - Misses 601 675 +74 ```

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