added syncthing on startup

hosts/kiara/configuration.nix

@@ -12,6 +12,7 @@
       ../../mods/vm.nix
 #      ../../mods/mini-spice.nix
       ../../mods/wallpaper2.nix
+      ../../mods/syncthing.nix
       inputs.spicetify-nix.nixosModules.default
     ];
   
@@ -119,7 +120,7 @@
   services.xserver.enable = true;
 
   # Enable the GNOME Desktop Environment.
-  services.xserver.displayManager.gdm.enable = true;
+  services.displayManager.gdm.enable = true;
 
   # Enable CUPS to print documents.
   services.printing.enable = true;
@@ -329,6 +330,7 @@
     mlocate
     android-udev-rules
     slimevr
+#    grayjay
   ];
 
   # Some programs need SUID wrappers, can be configured further or are