#12 Responsive header

[mwarman]

📢 Instructions

• Begin with a DRAFT pull request.
• Follow italicized instructions to add detail to assist the reviewers.
• After completing all checklist items, change the pull request to READY.

---

🔧 Change Summary

List the changes included in this pull request.

• Issue: Responsive header #12
• Update the header to contain navigation elements at large viewport sizes and retain the mobile elements for small viewport sizes.
• Updated app dependencies.

📝 Checklist

Pull request authors must complete the following tasks before marking the PR as ready to review.

• Complete a self-review of changes
• Unit tests have been created or updated
• The code is free of [new] lint errors and warnings

🧪 Steps to Test

Describe the process to test the changes in this pull request.

1. Test in browser at all viewport sizes.
2. No lint messages
3. All unit tests passing

🔗 Additional Information

Optionally, provide additional details, screenshots, or URLs that may assist the reviewer.

• ...