Adding Bootloader themes

[DeluxerPanda]

Pull Request

Title

Adding Bootloader themes

Type of Change

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

Description

Adding Bootloader themes from Top-5-Bootloader-Themes

Testing

I have tested on Arch, Fedora, Debian, Ubuntu

know Issues

• Fedora dont apply Bootloader theme and permission denied when cd to /boot/grub2 But if i [sudo ./linutil] no errors but Bootloader theme still dont gets apply
• Debian and Ubuntu error [ 43: syntax error "(" unexpected (exoecting "}") ]
  The line [ themes=("CyberRe" "Cyberpunk" "Shodan" "Vimix" "fallout") ]

Impact

• none

Issue related to PR

• none

Additional Information

• none

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.
• [ ] My changes generate no errors/warnings/merge conflicts.

[ChrisTitusTech]

Need to clean this up to use PACKER and ESCALATION TOOL FROM common script

[lj3954]

This should have a precondition of command_exists grub2-mkconfig.