Update UEFI VM script with correct paths and add snapshot script

take_snapshot.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+SOCKET="$HOME/.local/share/iridium-installer-vm/monitor.sock"
+SNAPSHOT_NAME="${1:-clean-state}"
+
+if [ ! -S "$SOCKET" ]; then
+    echo "Error: QEMU monitor socket not found at $SOCKET"
+    echo "Is the VM running?"
+    exit 1
+fi
+
+echo "Taking snapshot: $SNAPSHOT_NAME"
+echo "savevm $SNAPSHOT_NAME" | nc -U "$SOCKET"
+
+if [ $? -eq 0 ]; then
+    echo "Snapshot command sent successfully."
+else
+    echo "Failed to send snapshot command. Ensure 'nc' (netcat) with -U support is installed."
+fi