Fix archtitus issues

[nnyyxxxx]

Type of Change

• [x] Bug fix

• Resolves #429

Description

without refreshing the database before installing a package in the iso, it will fail due to not synchronizing package databases before hand with pacman -Sy

this is a failsafe incase the user did not do this before curling linutil

also fixes keymapping not saving after boot

Testing

works

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