Add face and lpr to tracked object update topic (#17940)

* Send tracked object updates for face and license_plate objects

* Update docs

* Add to type enum

* Add camera to object description update

* Formatting

* Consolidate yue-Hant

* Add missing

docs/docs/integrations/mqtt.md

@@ -104,7 +104,9 @@ Message published for each changed tracked object. The first message is publishe
 
 ### `frigate/tracked_object_update`
 
-Message published for updates to tracked object metadata, for example when GenAI runs and returns a tracked object description.
+Message published for updates to tracked object metadata, for example:
+
+#### Generative AI Description Update
 
 ```json
 {
@@ -114,6 +116,33 @@ Message published for updates to tracked object metadata, for example when GenAI
 }
 ```
 
+#### Face Recognition Update
+
+```json
+{
+  "type": "face",
+  "id": "1607123955.475377-mxklsc",
+  "name": "John",
+  "score": 0.95,
+  "camera": "front_door_cam",
+  "timestamp": 1607123958.748393,
+}
+```
+
+#### License Plate Recognition Update
+
+```json
+{
+  "type": "lpr",
+  "id": "1607123955.475377-mxklsc",
+  "name": "John's Car",
+  "plate": "123ABC",
+  "score": 0.95,
+  "camera": "driveway_cam",
+  "timestamp": 1607123958.748393,
+}
+```
+
 ### `frigate/reviews`
 
 Message published for each changed review item. The first message is published when the `detection` or `alert` is initiated. When additional objects are detected or when a zone change occurs, it will publish a, `update` message with the same id. When the review activity has ended a final `end` message is published.