set up something working (hopefully)

modules/vali/core/boot/boot.nix

@@ -0,0 +1,12 @@
+{ inputs, outputs, profile-config, pkgs, ... }:
+
+{
+  boot.loader = {
+    efi.canTouchEfiVariables = true;
+    grub = {
+        enable = true;
+        efiSupport = true;
+        device = "nodev";
+      };
+   };
+}

modules/vali/default.nix

@@ -0,0 +1,9 @@
+{ pkgs, lib, config, ...}:
+{
+  imports = [
+    ./core/boot/boot.nix
+    ./graphics/default.nix
+    #./web/default.nix
+    #./terminal/default.nix
+  ];
+}

modules/vali/graphics/default.nix

@@ -0,0 +1,6 @@
+{ pkgs, lib, config, ... }:
+{
+  import = [
+    ./wms/i3wm.nix
+  ];
+}

modules/vali/graphics/wms/i3wm.nix

@@ -0,0 +1,28 @@
+{ pkgs, lib, config, ...}
+{
+  options = {
+    i3.enable = lib.mkEnableOption "enable i3wm";
+    };
+  config = lib.mkIf config.i3wm.enable {
+    services.xserver = {
+      enable = true;
+      desktopManager = {
+        xterm.enable = false;
+        xfce = {
+          enable = true;
+          noDesktop = true;
+          nableXfwm = false;
+        };
+      };
+      displayManager.defaultSession="xfce+i3";
+      windowManager.i3 = {
+        enable = true;
+        extraPackages = with pkgs; [
+          dmenu
+          i3status
+          i3lock
+        ];
+      };
+    };
+  }
+}