vsftpd: Expose the no_anon_password flag.

Changed files
+3
nixos
modules
services
networking
+3
nixos/modules/services/networking/vsftpd.nix
···
(yesNoOption "anonymousUser" "anonymous_enable" false ''
Whether to enable the anonymous FTP user.
'')
+
(yesNoOption "anonymousUserNoPassword" "no_anon_password" false ''
+
Whether to disable the password for the anonymous FTP user.
+
'')
(yesNoOption "localUsers" "local_enable" false ''
Whether to enable FTP for local users.
'')