Side-loading with ESPHome Voice Assistant Image

**Is your feature request related to a problem? Please describe.**
Looking to see if there is a way to accomplish an idea. I have this app already working with Atom Echo's (and it's working better then ESPresence did). My next step is to try using ESP32-S3-Box-3 units running the voice assistant but I also want them to handle the bluetooth proxy role.

**Describe the solution you'd like**
ESP32-S3-Box-3 running the voice assistant with Bluetooth at the same time.

**Describe alternatives you've considered**
Alternate devices but I'd prefer to reduce the number of devices per room.

**Additional context**
Add any other context or screenshots about the feature request here.

Side note - amazing work - thank you for putting the time and effort into developing this!