refactor(de): move gnome config to separate file

modules/programs/default.nix

@@ -8,7 +8,8 @@
   imports = [
 
   ]
-  ++ (if currentSystemDe == "niri" then [ ./niri.nix ] else [ ]);
+  ++ (if currentSystemDe == "niri" then [ ./niri.nix ] else [ ])
+  ++ (if currentSystemDe == "gnome" then [ ./gnome.nix ] else [ ]);
 
   programs = {
     gamescope = {

modules/programs/gnome.nix

@@ -0,0 +1,41 @@
+{ pkgs, lib, ... }:
+{
+  services = {
+    desktopManager.gnome.enable = true;
+    displayManager.gdm.enable = true;
+    gnome.gnome-keyring.enable = true;
+  };
+
+  environment.gnome.excludePackages = with pkgs; [
+    epiphany
+    geary
+    gedit
+    gnome-characters
+    gnome-console
+    gnome-contacts
+    gnome-maps
+    gnome-music
+    gnome-software
+    gnome-tour
+    seahorse
+    simple-scan
+    xterm
+    yelp
+  ];
+
+  programs.thunar.plugins = with pkgs.xfce; [
+    thunar-archive-plugin
+    thunar-media-tags-plugin
+    thunar-vcs-plugin
+    tumbler
+  ];
+
+  # Hack to fix "Your GStreamer installation is missing a plug-in." inside of Nautilus
+  environment.sessionVariables.GST_PLUGIN_SYSTEM_PATH_1_0 =
+    lib.makeSearchPathOutput "lib" "lib/gstreamer-1.0"
+      [
+        pkgs.gst_all_1.gst-plugins-good
+        pkgs.gst_all_1.gst-plugins-bad
+        pkgs.gst_all_1.gst-plugins-ugly
+      ];
+}