Update installation script with QEMU setup and auto-cpufreq fix

Removed unnecessary sudo from auto-cpufreq installation command for better compatibility. Added a conditional QEMU and virtualization setup to streamline virtual machine installations and configurations. Includes user group adjustments and default network setup for libvirt.

03-install.sh

@@ -112,7 +112,7 @@ curl -s -Lo ~/AM-INSTALLER https://raw.githubusercontent.com/ivan-hc/AM/main/AM-
 git clone https://github.com/AdnanHodzic/auto-cpufreq.git
 cd auto-cpufreq && sudo ./auto-cpufreq-installer
 
-sudo auto-cpufreq --install
+auto-cpufreq --install
 
 # heroic games launcher
 #sudo deb-get install heroic
@@ -123,3 +123,16 @@ curl -fsSL "https://steambrew.app/install.sh" | bash
 
 # RUN Linutil
 curl -fsSL https://christitus.com/linux | sh
+
+# Qemu, Virtual Machine Install
+if [ $(grep -Eoc '(vmx|svm)' /proc/cpuinfo) -gt 0 ]; then
+    apt install -y qemu-system-x86 qemu-utils libvirt-daemon-system libvirt-clients virt-manager
+    systemctl enable --now libvirtd.service
+
+    usermod -aG libvirt "$USER"
+
+    virsh net-start default
+    virsh net-autostart default
+else
+    echo "No virtualisation Support. Check BIOS for Intel VT-x, Intel Virtualization Technology, AMD-V, or SVM Mode.
+fi