"Camera" device type be passed through so the Alexa plug in can report to Alexa that the device is a camera
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**Is your feature request related to a problem? Please describe:**
I'm using the Alexa plugin.  Alexa can't see the stream device presented by the unifi plugin as a camera.  The motion has a type of "Motion Sensor".  The stream has no type

**Describe the solution you'd like:**
Add a camera device type that can be passed down the line for other plugins

**Describe alternatives you've considered:**
Allow the editing of device types in the device setup

**Additional context:**
Thanks for the work you've done

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