Move home config into modules

modules/desktop/xmonad.nix

@@ -0,0 +1,37 @@
+{ options, config, lib, pkgs, ... }:
+
+with lib;
+with lib.my;
+
+let cfg = config.modules.desktop.xmonad;
+in {
+  options.modules.desktop.xmonad = {
+    enable = mkBoolOpt false;
+  };
+
+  config = mkIf cfg.enable {
+
+    services.xserver = {
+      enable = true;
+      layout = "fr";
+      desktopManager.xterm.enable = false;
+      windowManager.xmonad.enable = true;
+      displayManager.lightdm = {
+        enable = true;
+        background = "/etc/nixos/configs/files/wallpaper.png";
+        greeters.mini.enable = true;
+      };
+    };
+
+    home-manager.users.${config.user.name} = {
+      xsession = {
+        windowManager.xmonad = {
+          enable = true;
+          enableContribAndExtras = true;
+          config = ./files/xmonad.hs;
+        };
+      };
+    };
+
+  };
+}