docs: add security/code of conduct files

[mdevolde]

docs: add security/code of conduct files

Why the pull request was made

To provide all necessary info to potential contributors/users.

Summary of changes

• Add a SECURITY.md.
• Add a CODE_OF_CONDUCT.md.

Screenshots (if appropriate):

Not applicable.

How has this been tested?

Not applicable.

Resources

https://www.contributor-covenant.org/version/3/0/code_of_conduct/

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update (changes to documentation only)
• Refactor / code style update (non-breaking change that improves code structure or readability)
• Tests / CI improvement (adding or updating tests or CI configuration only)
• Other (please describe):

Checklist

• Followed the project's contributing guidelines.
• Updated any relevant tests.
• Updated any relevant documentation.
• Added comments to your code where necessary.
• Formatted your code, run the linters, checked types and tests.

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.52%. Comparing base (96e3c5b) to head (1eb27fe).
⚠️ Report is 1 commits behind head on master.
❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #195   +/-   ##
=======================================
  Coverage   80.52%   80.52%           
=======================================
  Files          13       13           
  Lines        1725     1725           
=======================================
  Hits         1389     1389           
  Misses        336      336           

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