Feature/input slider

[meganrm]

Problem

Estimated review size: medium

closes #53

Solution

Created a concentration slider that gets specific style I also moved all the components having to do with this element into it's own folder

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

Steps to Verify:

1. bun dev
2. switch to simulation
3. press play
4. press pause

Screenshots (optional):

the design:

this branch showing the stars:

this branch disabling zero:

[meganrm]

@frasercl sorry, when I pulled in main I didn't notice that it had re-added duplicates of files that are actually moved in this PR. it should be good now