[SOLVED] Where to download I2c binding for openhab 2

Please help , I am new to openhab and having difficulty finding the I2C binding for MCP23017 to use in openbab2 . Maybe some place I can download it from, I use openhabian on a raspberry pi 3.
Thanks

In 2.3.0-Snapshot it’s integratad in Add-ons.

Thanks