feat(vps): add vps host

modules/hosts/vps/default.nix

@@ -0,0 +1,23 @@
+{
+  inputs,
+  config,
+  ...
+}:
+let
+  hostName = "vps";
+  userName = "tux";
+  userEmail = "t@tux.rs";
+  system = "x86_64-linux";
+  unstable = true;
+  nixpkgs = if unstable then inputs.nixpkgs else inputs.nixpkgs-stable;
+in
+{
+  flake.nixosConfigurations."${hostName}" = nixpkgs.lib.nixosSystem {
+    inherit system;
+    specialArgs = { inherit hostName userName userEmail; };
+    modules = [
+      config.flake.modules.nixos.core
+      config.flake.modules.nixos.${hostName}
+    ];
+  };
+}