feat: add shorthand support for `scroll-padding` and `scroll-margin`

[Mini-ghost]

Description

This PR extends the enforces-shorthand rule to support shorthand detection for Tailwind CSS scroll-padding and scroll-margin utilities.

Examples

<!-- Before -->
<div class="scroll-pl-3 scroll-pr-3"></div>
<!-- After -->
<div class="scroll-px-3"></div>

<!-- Before -->
<div class="scroll-mt-4 scroll-mb-4"></div>
<!-- After -->
<div class="scroll-my-4"></div>

<!-- Before -->
<div class="scroll-pt-5 scroll-pr-5 scroll-pb-5 scroll-pl-5"></div>
<!-- After -->
<div class="scroll-p-5"></div>

Fixes #432

Type of change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

How Has This Been Tested?

Added comprehensive test cases to verify the rule behavior.

Valid (should not trigger):

• scroll-px-3
• scroll-pt-3 scroll-pb-4
• scroll-ml-2 md:scroll-mr-2

Invalid (should auto-fix):

• scroll-pl-3 scroll-pr-3 → scroll-px-3
• scroll-mt-1 scroll-mb-1 → scroll-my-1
• scroll-mx-2 scroll-my-2 → scroll-m-2
• scroll-pt-5 scroll-pr-5 scroll-pb-5 scroll-pl-5 → scroll-p-5

Test Configuration:

• OS + version: macOS Sonoma 14.5 (Darwin 23.5.0)
• NPM version: 10.x
• Node version: 20.x

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [ ] Any dependent changes have been merged and published in downstream modules
• [x] I have checked my code and corrected any misspellings