Add scripts to install Terraform and take snapshots in Arch Linux

scripts/install-terraform-arch.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Exit if any command fails and treat unset variables as an error
+set -eu
+
+# Function to execute a command and print a custom error message if it fails
+execute() {
+    echo "$2"
+    $1
+}
+
+# Ensure the script is being run with superuser privileges
+if [[ $EUID -ne 0 ]]; then
+   echo "This script must be run as root" 
+   exit 1
+fi
+
+# Update the system
+execute "pacman -Syu" "Updating the system..."
+
+# Install Terraform using yay
+execute "yay -S terraform" "Installing Terraform..."
+
+echo "Terraform installation completed successfully."