Added some environmant variables to make more stuff look dark

Adapted fonts.nix based on https://wiki.nixos.org/wiki/Fonts

Droidnix/README.org

@@ -465,6 +465,13 @@ This sets the session variables
     XDG_SESSION_TYPE = "wayland";    # Session type
     XDG_CURRENT_DESKTOP = "Hyprland"; # Desktop environment
     XCURSOR_SIZE = "24";             # Cursor size
+    GTK_THEME = "Catppuccin-Mocha-Standard-Blue-Dark";
+    GTK_APPLICATION_PREFER_DARK_THEME = "1";
+    # Add these for Firefox/Zen Browser:
+    MOZ_ENABLE_WAYLAND = "1"; # If on Wayland
+    GSETTINGS_SCHEMA_DIR = "${pkgs.gsettings-desktop-schemas}/share/glib-2.0/schemas";
+    };
+
     # Add other session-wide variables here (e.g., QT_QPA_PLATFORM, SDL_VIDEODRIVER)
   };
 }
@@ -909,7 +916,7 @@ This file installs and configures fonts
 #+BEGIN_SRC nix :tangle generated/system/core/fonts.nix :noweb tangle :mkdirp yes :eval never-html
 { config, pkgs, ... }:
 {
-  environment.systemPackages = with pkgs; [
+  fonts.packages = with pkgs; [
     pkgs.nerd-fonts.iosevka
   ];
 }