feat: update Arch Linux script to use yay for package management and install yay if missing

src/lib/scriptGenerator.ts

@@ -110,13 +110,34 @@ set -e
 
 echo "Starting package installation for Arch Linux..."
 
+# Check if yay is installed
+if ! command -v yay &> /dev/null; then
+    echo "yay is not installed. Installing yay..."
+    
+    # Install dependencies
+    echo "Installing dependencies..."
+    sudo pacman -S --needed --noconfirm git base-devel
+    
+    # Clone and build yay
+    echo "Building yay..."
+    git clone https://aur.archlinux.org/yay-bin.git
+    cd yay-bin
+    makepkg -si --noconfirm
+    cd ..
+    rm -rf yay-bin
+    
+    echo "yay installed successfully!"
+else
+    echo "yay is already installed."
+fi
+
 # Update package lists
 echo "Updating package lists..."
-sudo pacman -Sy --noconfirm
+yay -Sy --noconfirm
 
 # Install packages
 echo "Installing packages: ${packageNames}"
-sudo pacman -S --noconfirm ${packageNames}
+yay -S --noconfirm ${packageNames}
 
 # Verify installation
 echo "Verifying installation..."