machines: rename to 'hosts/nixos'

This will be more consistent in the future if I want to introduce darwin
or home-manager configurations.

hosts/nixos/aramis/hardware.nix

@@ -0,0 +1,40 @@
+{ lib, modulesPath, ... }:
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-label/nixos";
+      fsType = "ext4";
+    };
+
+    "/boot" = {
+      device = "/dev/disk/by-label/boot";
+      fsType = "vfat";
+    };
+  };
+
+  swapDevices = [
+    { device = "/dev/disk/by-label/swap"; }
+  ];
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+
+  my.hardware = {
+    firmware = {
+      cpuFlavor = "intel";
+    };
+  };
+
+  hardware = {
+    trackpoint = {
+      enable = true;
+
+      emulateWheel = true; # Holding middle buttons allows scrolling
+
+      device = "TPPS/2 Elan TrackPoint"; # Use the correct device name
+    };
+  };
+}