Keep 2 light switches at sync

[tony.fleisher]

I found the Switch Bindings app by @jwetzel1492 to work pretty well for this with my use cases.

[RELEASE] Switch Bindings 2.0

Switch Bindings 2.0 Release! Today I release Version 2.0! This is a major overhaul with some great new features. (Thank you for the suggestions!) Toggles to let you choose which attributes/events to sync Syncing of Held/Released events on dimmers and switches. For example, it can start ramping the other dimmers up/down as soon as you hold the paddle on another dimmer. You don't have to wait for the Level attribute to update at the end. Now can sync Hue, Saturation, and Color Temperature Includ…