Make development experience work

Add direnv to default build
Add xonsh-direnv package to overlay and xonsh environment
Add virtualisation options

hosts/jude/default.nix

@@ -5,6 +5,7 @@
 		./boot.nix
 		./hardware-configuration.nix
 		./podman.nix
+		./virt.nix
 	];
 	networking.hostName = "jude";
 	greg.gnome.enable= true;

hosts/jude/virt.nix

@@ -0,0 +1,25 @@
+{ pkgs, ... }:
+
+{
+	environment.systemPackages = with pkgs; [
+		ansible
+		libguestfs
+		packer
+		virt-manager
+		vagrant
+	];
+
+	# Give my user access to the libvirtd process
+	users.users.greg.extraGroups = [ "libvirtd" ];
+
+	virtualisation.libvirtd = {
+		enable = true;
+		onBoot = "ignore";  # Do not auto-restart VMs on boot, unless they are marked autostart
+	};
+
+	virtualisation.waydroid = {
+		enable = true;
+	};
+
+	boot.extraModprobeConfig = "options kvm_amd nested=1";
+}