Add Rhys to the website

[RhysMacMillan]

Summary of changes

This pull request adds Rhys's photo and website bio information.

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 change)
• [x] I have read the CONTRIBUTING document.
• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

Associated Issues and PRs

• Issue: #

Associated Developers

• Dev: @munkm

Checklist for Reviewers

Reviewers should use this link to get to the Review Checklist before they begin their review.