Add install / run pwsh script for windows qemu host

bin/qemu-install.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env pwsh
+qemu-img create -f qcow2 nixos.qcow2
+qemu-system-x86_64 -accel whpx,kernel-irqchip=off \
+		   -hda .\nixos.qcow2 \
+		   -m 4096 \
+		   -net nic,model=virtio \
+		   -net user \
+		   -vga virtio \
+		   -boot strict=on \
+		   -cdrom .\nixos.iso

bin/qemu-run.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env pwsh
+qemu-system-x86_64 -accel whpx,kernel-irqchip=off \
+		   -hda .\nixos.qcow2 \
+		   -m 4096 \
+		   -net nic,model=virtio \
+		   -net user \
+		   -vga virtio \
+		   -boot strict=on