Lot of change on structs

hosts/nixos/system/os.nix

@@ -12,23 +12,23 @@
   os.networks.manager.enable = true;
 
   # Printing and sharing
-  os.networks.printing.enable = true;
   os.networks.samba.enable = true;
+  os.networks.printing.enable = true;
 
   # System configurations
   os.keyboard.apple.enable = true;
 
-  # Gnome configurations
-  os.gnome.shell.enable = true;
-  os.gnome.apps.enable = true;
-
   # Virtualisation Apps
   os.virtualisation.cuda.enable = true;
   os.virtualisation.podman.enable = true;
 
-  # Ssh
+  # Terminal
+  os.flatpak.enable = true;
   programs.ssh.enableAskPassword = false; # No-window git push fix
 
+  # Shells configurations
+  os.shells.gnome.enable = true;
+
   # System version
   system.stateVersion = "25.11";
 }