User walkthrough tutorial for editor page.

[ph-nathan]

Summary

Add user walkthrough tutorial for editor page, made some slight modifications to UI of dashboard and editor page.

Changes

• Added a user onboarding tutorial with React Joyride.
• Improve UI for dashboard and editor page

Dev testing

https://github.com/wr1159/advent/assets/99804772/2b3fd640-0ab3-4779-a15e-db82ff9db9c3

Checklist

• [ ] Test coverage has not deteriorated
• [ ] CI is green
• [ ] Added hours into project log
• [ ] Strikethrough in sprint google slides.

[github-actions[bot]]

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