feat: add stylix theme

Break Changes:
- May need reconfigure fcitx5 input method

home/presets/basic.nix

@@ -1,16 +1,15 @@
 { ... }:
 {
   imports = [
+    ../user/internationalisation.nix
     ../user/config.nix
     ../user/desktops.nix
     ../user/direnv.nix
     ../user/environment.nix
     ../user/gtk.nix
     ../user/wlogout.nix
-    # ../user/music-production.nix
     ../user/nvim.nix
     ../user/packages.nix
-    # ../user/firefox.nix
     ../user/zen-browser.nix
     ../user/shell.nix
     ../user/tmux.nix