Read Data from Solaredge inverter via Modbus Binding

[rossko57]

Note the Modbus binding now supports transforms, which may simplify scaling of readings

Modbus support for transformations, roller shutter items, read-only items, write-only items, and others

Update: This feature is now part of modbus binding 1.10.0. Hello everyone! Originally discussed in here, there has been a need for having transformation support for opnehab. Some of the more complicated use cases (e.g. rollershutter items) could be implemented simply using transformations. I have been implementing this support for a while now, and feel confident sharing the first test version with the community. Along this update comes support for writing to different address based on the co…