qemu : ajout de la base du script de lancement d'une VM Redox

qemu/bin/redox

@@ -0,0 +1,10 @@
+#!/bin/sh -ex
+exec qemu-system-x86_64 \
+	-enable-kvm \
+	-M q35 \
+	-cpu host -smp "$(("$(nproc)" / 2))" \
+	-m "$(("$(free | grep '^Mem:\s' | awk '{ print $NF }')" / 2))K" \
+	-device ich9-intel-hda -device hda-duplex \
+	-netdev user,id=net0 -device e1000,netdev=net0 \
+	-device nec-usb-xhci,id=xhci \
+	"$@"