chore: a bit more organized

nixos/configuration.nix

@@ -45,33 +45,28 @@
   # Enable flakes
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
 
+  services.xserver = {
     # Enable the X11 windowing system.
-  services.xserver.enable = true;
-  services.xserver.videoDrivers = [ "amdgpu" ];
+    enable = true;
+    videoDrivers = [ "amdgpu" ];
 
     # Enable the GNOME Desktop Environment.
-  services.xserver.displayManager.gdm.enable = true;
-  services.xserver.desktopManager.gnome.enable = true;
+    displayManager.gdm.enable = true;
+    desktopManager.gnome.enable = true;
 
     # Configure keymap in X11
-  services.xserver.xkb = {
+    xkb = {
       layout = "us";
       variant = "";
     };
+  };
 
   # Enable CUPS to print documents.
   services.printing.enable = true;
 
-  # Enable sound with pipewire.
-  hardware = {
-    pulseaudio.enable = false;
-    graphics = {
-      enable = true;
-      extraPackages = with pkgs; [ amdvlk ];
-    };
-  };
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
 
-  security.rtkit.enable = true;
   services.pipewire = {
     enable = true;
     alsa.enable = true;
@@ -85,8 +80,16 @@
     #media-session.enable = true;
   };
 
-  # Enable touchpad support (enabled default in most desktopManager).
-  # services.xserver.libinput.enable = true;
+  # Enable sound with pipewire.
+  hardware = {
+    pulseaudio.enable = false;
+    graphics = {
+      enable = true;
+      extraPackages = with pkgs; [ amdvlk ];
+    };
+  };
+
+  security.rtkit.enable = true;
 
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.shahab = {