Storybook: Add LetterSpacingControl story

[Infinite-Null]

Related

Issue: #67165
Component: LetterSpacingControl

What?

This PR implements comprehensive Storybook documentation for the LetterSpacingControl component.

Why?

1. Provides clear visual documentation to help developers understand component behavior
2. Ensures consistent component behavior across different use cases
3. Facilitates easier code review and maintenance

Screencast

Screen.Recording.2024-11-27.at.3.40.01.PM.mov

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Co-authored-by: Infinite-Null <[email protected]>

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