Add bunch more programs / services modularly

system/gui/dwm.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [
+    ./x11.nix
+    ./lightdm.nix
+    ../app/terminal/kitty.nix
+    ../app/launcher/dmenu.nix
+    ../app/launcher/rofi.nix
+  ];
+
+  environment.systemPackages = [ pkgs.dwm ];
+  services.xserver.windowManager.dwm.enable = true;
+  services.xserver.displayManager.defaultSession = "dwm";
+}

system/gui/fonts.nix

@@ -0,0 +1,10 @@
+{ config, lib, pkgs, ... }:
+
+{
+  fonts.packages = with pkgs; [
+    nerdfonts
+    powerline
+    font-awesome
+    ubuntu_font_family
+  ];
+}

system/gui/lightdm.nix

@@ -0,0 +1,8 @@
+{ config, lib, pkgs, ... }:
+
+{
+  environment.systemPackages = [ pkgs.lightdm ];
+  services.xserver.displayManager = {
+    lightdm.enable = true;
+  };
+}

system/gui/x11.nix

@@ -0,0 +1,16 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [
+    ../util/dbus.nix
+    ../util/gnome-keyring.nix
+    ./fonts.nix
+  ];
+
+  services.xserver = {
+    enable = true;
+    layout = "us";
+    xkbVariant = "";
+    xkbOptions = "";
+  };
+}