Made a new switchable theme button

[Mysticpasta1]

Purpose

Describe the problem or feature in addition to a link to the issues when possible. Trying to make themes and switch between them

Approach

How does this change address the problem? So far I have made a switchable button, and I hope to switch themes with this button.

Open Questions and Pre-Merge TODOs

• [ ] Use github checklists. When solved, check the box and explain the answer.

Learning

Describe the research stage

Links to blog posts, patterns, libraries or addons used to solve this problem

Blog Posts

• A Complete Guide to useEffect Learn how to use useeffect.

[CLAassistant]

All committers have signed the CLA.

[Ecorous]

May want to set it o draft @Mysticpasta1