Add CODEOWNERS file specifying @HackUCF/infra-admin as owners

[Copilot]

Summary

This PR adds a CODEOWNERS file to automatically designate the @HackUCF/infra-admin team as the default code owners for all files in the repository.

Changes

• Created .github/CODEOWNERS file with * @HackUCF/infra-admin pattern to specify the infra-admin team as owners for all files
• Added helpful comments and documentation link in the CODEOWNERS file

What This Enables

With this CODEOWNERS file in place:

• Pull requests will automatically request reviews from @HackUCF/infra-admin team members
• The infra-admin team will be notified of changes across the entire repository
• Clear ownership structure is established for repository maintenance

Validation

• ✅ Pre-commit hooks (gitleaks) passed
• ✅ File follows GitHub's standard CODEOWNERS format
• ✅ Placed in the recommended .github/ directory

Fixes #issue_number_here

Original prompt

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This section details on the original issue you should resolve

<issue_title>Add codeowners</issue_title>
<issue_description>Add codeowners files specifying @HackUCF/infra-admin as the owner for all files</issue_description>

Comments on the Issue (you are @copilot in this section)

Fixes #37

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