[ISSUE-243] Create a CODEOWNERS file

[jama5262]

What does this PR do?

Create a CODEOWNERS file

Issue Reference

Fixes #243

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Maintenance change (non-breaking change such as upgrading a dependency, refactoring, or making a lint fix)
• Documentation update
• Breaking change (a fix or feature that would cause existing functionality to change)

Screenshots

If applicable, add screenshots to help explain your problem.

Checklist

• Wrote additional tests, if needed
• All tests have passed, you can find the scripts from the ./bin folder
• I have updated the documentation accordingly, if needed.

Additional Information

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (20cd464) 96.33% compared to head (7c9c601) 96.33%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #244   +/-   ##
=======================================
  Coverage   96.33%   96.33%           
=======================================
  Files          34       34           
  Lines        1554     1554           
=======================================
  Hits         1497     1497           
  Misses         57       57           

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