merge all rooms (inc. AVR)

README.md

@@ -140,7 +140,7 @@ Used by the interface:
 | `GET /api/targets` | every player and group HEOS can see |
 | `POST /api/volume` | `{"target": "lego_room", "steps": 1}` — taps, snapped to `VOLUME_STEP`. Also takes `delta` (raw points) or `level` (absolute) |
 | `POST /api/mute` | `{"target": "lego_room"}` |
-| `POST /api/playback` | `{"target": "lego_room", "state": "pause"}`, or no `state` to toggle |
+| `POST /api/playback` | `{"target": "lego_room", "state": "pause"}`, or no `state` to toggle — the Zidoo's film for the AVR (`play` and `pause` only), a room's own stream over HEOS otherwise |
 | `POST /api/skip` | `{"target": "lego_room", "direction": "next"}` — `previous` too |
 | `POST /api/seek` | `{"target": "lego_room", "position_ms": 90000}` — the Zidoo's film for the AVR, a room's Spotify stream otherwise (HEOS itself cannot seek) |
 | `POST /api/group` | `{"target": "lego_room", "joined": true}` |