Create CODEOWNERS

[sarthakpati]

Fixes #N.A.

Proposed Changes

• create a CODEOWNERS file to triage the review process

Checklist

• CONTRIBUTING guide has been followed.
• PR is based on the current GaNDLF master .
• Non-breaking change (does not break existing functionality): provide as many details as possible for any breaking change.
• Function/class source code documentation added/updated (ensure typing is used to provide type hints, including and not limited to using Optional if a variable has a pre-defined value).
• Code has been blacked for style consistency and linting.
• If applicable, version information has been updated in GANDLF/version.py.
• If adding a git submodule, add to list of exceptions for black styling in pyproject.toml file.
• Usage documentation has been updated, if appropriate.
• Tests added or modified to cover the changes; if coverage is reduced, please give explanation.
• If customized dependency installation is required (i.e., a separate pip install step is needed for PR to be functional), please ensure it is reflected in all the files that control the CI, namely: python-test.yml, and all docker files [1,2,3].

[github-actions]

MLCommons CLA bot All contributors have signed the MLCommons CLA ✍️ ✅

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.11%. Comparing base (92a6c42) to head (120b699).

❗ Current head 120b699 differs from pull request most recent head 9c5ae77

Please upload reports for the commit 9c5ae77 to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #867      +/-   ##
==========================================
+ Coverage   95.10%   95.11%   +0.01%     
==========================================
  Files         122      122              
  Lines        8309     8326      +17     
==========================================
+ Hits         7902     7919      +17     
  Misses        407      407              

Flag	Coverage Δ
unittests	95.11% <ø> (+0.01%)	⬆️

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