move nixos modules to nixos-modules

nixos-modules/plasma/default.nix

@@ -0,0 +1,35 @@
+{ config, lib, ... }:
+
+let
+  cfg = config.jopejoe1.plasma;
+in
+{
+  options.jopejoe1.plasma = {
+    enable = lib.mkEnableOption "Enable KDE Plasma";
+  };
+
+  config = lib.mkIf cfg.enable {
+    services = {
+      xserver = {
+        enable = true;
+      };
+
+      libinput.enable = true;
+
+      displayManager.sddm = {
+        enable = true;
+        enableHidpi = true;
+      };
+      desktopManager.plasma6 = {
+        enable = true;
+        enableQt5Integration = true;
+      };
+    };
+
+    programs.kdeconnect = {
+      enable = true;
+    };
+
+    networking.networkmanager.enable = true;
+  };
+}