Supports Herzborg curtain motors over RS-485 network Signed-off-by: Pavel Fedin <pavel_fedin@mail.ru> Co-authored-by: Matthew Skinner <matt@pcmus.com> Co-authored-by: Fabian Wolter <github@fabian-wolter.de> Co-authored-by: Matthew Skinner <matt@pcmus.com> Co-authored-by: Fabian Wolter <github@fabian-wolter.de>