feat: Add Arch virtualization setup script

[jeevithakannan2]

Type of Change

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

Description

• Add basic virtualization setup script in ARCH.

Testing

• Works as expected

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.
• [x] I have made corresponding changes to the documentation.
• [x] My changes generate no errors/warnings/merge conflicts.

[jeevithakannan2]

Might be worth adding a quick note about CPU / BIOS virtualization settings

That's why I added arch wiki link when kvm is not enabled. Arch Wiki has the details about CPU / BIOS virtualization.

[adamperkowski]

Might be worth adding a quick note about CPU / BIOS virtualization settings

That's why I added arch wiki link when kvm is not enabled. Arch Wiki has the details about CPU / BIOS virtualization.

Yea i know but I'm thinking maybe sometjing more direct like "make sure you have CPU virtualization support enabled in your BIOS/UEFI settings"