what in the world is wrong with GNOME...

configuration.nix

@@ -61,6 +61,7 @@
     desktopManager.wallpaper.mode = "fill";
   };
 
+  services.gvfs.enable = true;
 
   # Configure console keymap
   console.keyMap = "de";
@@ -91,6 +92,14 @@
     wget
   ];
 
+  programs.dconf.enable = true;
+
+  environment.pathsToLink = [ "/share/zsh" ];
+
+  environment.sessionVariables = {
+    GTK_THEME = "Adwaita:dark";
+  };
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave

home.nix

@@ -26,6 +26,7 @@ in
     ./programm_configs/i3.nix
     ./programm_configs/picom.nix
     ./programm_configs/zsh.nix
+    ./programm_configs/gnome.nix
   ];
 
   # The home.packages option allows you to install Nix packages into your
@@ -35,6 +36,7 @@ in
     polybar
     scrot
     imagemagick
+    htop
     firefox
     tex
     jetbrains.idea-ultimate
@@ -59,5 +61,10 @@ in
   # envars
   home.sessionVariables = {
     EDITOR = "vim";
+    GTK_THEME = "Adwaita:dark";
+  };
+  systemd.user.sessionVariables = {
+    GTK2_RC_FILES = "/home/clemens/.gtkrc-2.0";
+    GTK_THEME = "Adwaita:dark";
   };
 }

programm_configs/gnome.nix

@@ -0,0 +1,31 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    dconf
+    glib
+    gnome.nautilus
+  ];
+
+  dconf = {
+    enable = true;
+    settings = {
+      "org/gnome/desktop/interface" = {
+        color-scheme = "prefer-dark";
+      };
+    };
+  };
+
+  gtk = {
+    enable = true;
+    theme = {
+      name = "Adwaita-dark";
+      package = pkgs.gnome.gnome-themes-extra;
+    };
+    
+    gtk4.extraConfig = {
+      gtk-application-prefer-dark-theme = true;
+    };
+  };
+
+
+}

programm_configs/zsh.nix

@@ -2,6 +2,8 @@
 {
   programs.zsh = {
     enable = true;
+    enableCompletion = true;
+    enableAutosuggestions = true;
     oh-my-zsh = {
       enable = true;
       plugins = [ "git" "battery" "docker" "docker-compose" "virtualenv" ];