nixos-generate-config: rename plasma5 desktop

Changed files
+1 -1
nixos
modules
installer
+1 -1
nixos/modules/installer/tools/nixos-generate-config.pl
···
# Enable the KDE Desktop Environment.
# services.xserver.displayManager.sddm.enable = true;
-
# services.xserver.desktopManager.kde5.enable = true;
+
# services.xserver.desktopManager.plasma5.enable = true;
# Define a user account. Don't forget to set a password with ‘passwd’.
# users.extraUsers.guest = {