Support for Ring Access Controller
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# Feature Request

### Description
<!-- ✍️-->Ring Access Controller is used for opening and closing gates and it is a supported device within the Ring app.  It would be nice if it was supported by this plugin for Homebridge

### Describe the solution you'd like
<!-- ✍️--> All that is needed for this is a toggle switch.  Ring Access Controller does not know if a gate is open or closed but if activated it will open or close regardless of state.  Considering that this is a Ring branded device and already included in the Ring app, I would think this would be a relatively easy add-on.

### Describe alternatives you've considered
<!-- ✍️--> Have you considered any alternative solutions or workarounds?

### Device data
<!-- ✍️-->  If you are requesting a new device be added to homebridge-ring, please follow the instructions in https://github.com/dgreif/ring/wiki/Data-Discovery and include the output here

[Ring Data.pdf](https://github.com/dgreif/ring/files/9568825/Ring.Data.pdf)
