update model to modular structure

desktop-environment/config.nix

@@ -0,0 +1,56 @@
+{ pkgs, ... }:
+{
+    programs.hyprland = {
+        enable = true;
+        withUWSM = true;
+        xwayland.enable = true;
+    };
+
+    environment.systemPackages = with pkgs; [
+        wofi
+        waybar
+        kitty
+        grim
+        swaynotificationcenter
+        evolution
+        firefox-bin
+        pamixer
+        swaylock
+        hyprpaper
+        lxsession
+        hyprshot
+        wayvnc
+        nerd-fonts.open-dyslexic
+        nemo-with-extensions
+    ];
+
+    services.dbus.enable = true;
+    programs.dconf.enable = true;
+    hardware.graphics.enable = true;
+
+    services.greetd = {
+      enable = true;
+      settings = {
+        default_session = {
+          command = "Hyprland";
+          user = "nichkara";
+        };
+      };
+    };
+
+    xdg.portal = {
+        enable = true;
+        extraPortals = [ pkgs.xdg-desktop-portal-hyprland ];
+    };
+
+    hardware.nvidia = {
+      modesetting.enable = true;
+      powerManagement.enable = false;
+      open = false;
+    };
+
+    systemd.targets.sleep.enable = false;
+    systemd.targets.suspend.enable = false;
+    systemd.targets.hibernate.enable = false;
+    systemd.targets.hybrid-sleep.enable = false;
+}