Update README.md after "Add batch_update to HuaweiSolarBridge."
Bridge.update was renamed to Bridge.batch_update.
Adapt the documentation to reflect the change.
Signed-off-by: Rosi2143 Schrott.Micha@web.de
Bridge.update was renamed to Bridge.batch_update.
Adapt the documentation to reflect the change.
Signed-off-by: Rosi2143 Schrott.Micha@web.de