feat(vps): add vps host

modules/hosts/vps/config.nix

@@ -0,0 +1,57 @@
+{ config, ... }:
+{
+  flake.modules.nixos.vps =
+    {
+      hostName,
+      modulesPath,
+      ...
+    }:
+    {
+      imports =
+        with config.flake.modules.nixos;
+        [
+          boot
+          hardware
+          networking
+          virtualisation
+          services
+        ]
+        ++ [
+          (modulesPath + "/profiles/qemu-guest.nix")
+        ];
+
+      tnix = {
+        boot = {
+          legacy.enable = true;
+
+          impermanence = {
+            enable = true;
+
+            home = {
+              directories = [
+                ".local/share/nvim"
+                ".local/share/zsh"
+                ".local/share/zoxide"
+                ".local/state/lazygit"
+              ];
+            };
+          };
+        };
+
+        networking.openssh.enable = true;
+
+        virtualisation = {
+          docker.enable = true;
+        };
+      };
+
+      # --- Networking ---
+      networking = {
+        hostName = hostName;
+        networkmanager.enable = true;
+        firewall.enable = false;
+      };
+
+      system.stateVersion = "26.05";
+    };
+}