refactor: make wireguard optional

system/dev/dn-lap/default.nix

@@ -9,6 +9,7 @@ in
     ./hardware-configuration.nix
     ./boot.nix
     ../../modules
+    ../../modules/wireguard.nix
   ];
 
   # Overrides

system/dev/dn-pre7780/default.nix

@@ -11,6 +11,7 @@ in
     ../../modules
     ../../modules/nvidia.nix
     ../../modules/gaming.nix
+    ../../modules/wireguard.nix
   ];
 
   # Overrides

system/modules/default.nix

@@ -18,7 +18,6 @@
     ./time.nix
     ./theme.nix
     ./users.nix
-    ./wireguard.nix
     ./dn-ca.nix
     ./environment.nix
     ./virtualization.nix

system/modules/packages.nix

@@ -60,10 +60,6 @@
     xfce.thunar # File manager
     nwg-look
 
-    # Portal
-    xdg-desktop-portal-gtk
-    xdg-desktop-portal-wlr
-
     # Shell 
     fishPlugins.done
     fishPlugins.fzf-fish
@@ -82,6 +78,9 @@
 
     # Media
     vlc
+
+    # Thumbnail
+    ffmpegthumbnailer
   ]) ++ ([
     inputs.ghostty.packages.${system}.default
     inputs.yazi.packages.x86_64-linux.default # Terminal file manager

system/modules/wireguard.nix

@@ -1,7 +1,8 @@
 { config, pkgs, ... }:
-
+let
+  configPath = "/etc/wireguard/wg0.conf";
+in
 {
   networking.firewall = { allowedUDPPorts = [ 51820 ]; };
-
-  networking.wg-quick.interfaces.wg0.configFile = "/etc/wireguard/wg0.conf";
+  networking.wg-quick.interfaces.wg0.configFile = configPath;
 }