feat: mobile nav

[kyle-ssg]

Thanks for submitting a PR! Please check the boxes below:

• [ ] I have added information to docs/ if required so people know about the feature!
• [x] I have filled in the "Changes" section below?
• [x] I have filled in the "How did you test this code" section below?
• [x] I have used a Conventional Commit title for this Pull Request

Changes

• Makes nav responsive
• Moves navigation to separate components

This does not aim to solve the responsiveness of pages.

How did you test this code?

Navigated on phone