feat: Add scroll

[jeevithakannan2]

Type of Change

• [x] New feature
• [ ] Bug fix
• [ ] Documentation update
• [ ] Refactoring
• [ ] Hotfix
• [ ] Security patch
• [x] UI/UX improvement

Description

• Add scroll when running commands.
• Scroll using Page Up and Page Down.
• Up and Down arrow keys are not used because it would intercept their functionality in terminal https://github.com/ChrisTitusTech/linutil/pull/643#issuecomment-2368455715

Testing

• Works as expected.

Issues / other PRs related

• Resolves #640

Additional Information

• The maximum scroll limit is set to 200. Can be increased in future

Checklist

• [x] My code adheres to the coding and style guidelines of the project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [ ] I have made corresponding changes to the documentation.
• [x] My changes generate no errors/warnings/merge conflicts.