added lxsu for su frontend

configuration.nix

@@ -60,12 +60,11 @@
           dunst
           i3lock-color # locksreen
           arandr # manager monitor
-          libsForQt5.kdesu
+          lxqt.lxqt-sudo
         ];
       };
     };
   };
-
   # Configure keymap in X11
   services.xserver.xkb.layout = "ch";
   services.displayManager.defaultSession = "none+i3";
@@ -178,5 +177,7 @@
   # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
   system.stateVersion = "24.11"; # Did you read the comment?
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  
+  services.gvfs.enable = true; # automount usb to pcmanfm
 }
 

home.nix

@@ -67,6 +67,7 @@
   # want to update the value, then make sure to first check the Home Manager
   # release notes.
   home.stateVersion = "24.05"; # Please read the comment before changing.
+  
 
   # The home.packages option allows you to install Nix packages into your
   # environment.
@@ -78,12 +79,21 @@
     pkgs.oh-my-zsh # prompt
     pkgs.picom # compositoe
     pkgs.ranger # file manager
+
     pkgs.pcmanfm # gui file manager
+    pkgs.lxmenu-data # to be offered a list of "Installed applications" when opening a file.
+    pkgs.shared-mime-info # to recognise different file types.
+
     pkgs.superfile # file manager
     pkgs.obsidian # notes
     pkgs.keepassxc # passwords
     pkgs.devdocs-desktop # docs
-    pkgs.spicetify-cli
+    pkgs.spicetify-cli # spotify
+
+    pkgs.libreoffice-qt # office
+    pkgs.hunspell # spell check
+    pkgs.hunspellDicts.uk_UA
+    pkgs.hunspellDicts.de_CH
 
     # # It is sometimes useful to fine-tune packages, for example, by applying
     # # overrides. You can do that directly here, just don't forget the