feat: prepare initial cube host

flake/hosts.nix

@@ -73,6 +73,18 @@ in
       ];
     };
 
+    cube = mkHost "cube" {
+      system = "x86_64-linux";
+      user = "matej";
+      features = [
+        "openssh"
+        "localisation"
+        "shell"
+        "tailscale"
+        "remote-base"
+      ];
+    };
+
     # nix run github:nix-community/nixos-anywhere -- --flake .#floo root@<ip>
     floo = mkHost "floo" {
       system = "x86_64-linux";

hosts/cube/configuration.nix

@@ -0,0 +1,41 @@
+{ inputs, ... }:
+{
+  imports = [ inputs.disko.nixosModules.disko ];
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  disko.devices.disk.main = {
+    type = "disk";
+    device = "/dev/nvme0n1";
+    content = {
+      type = "gpt";
+      partitions = {
+        esp = {
+          size = "512M";
+          type = "EF00";
+          content = {
+            type = "filesystem";
+            format = "vfat";
+            mountpoint = "/boot";
+          };
+        };
+        root = {
+          size = "100%";
+          content = {
+            type = "filesystem";
+            format = "ext4";
+            mountpoint = "/";
+          };
+        };
+      };
+    };
+  };
+
+  localisation = {
+    timeZone = "Europe/Ljubljana";
+    defaultLocale = "en_US.UTF-8";
+  };
+
+  system.stateVersion = "25.11";
+}