Qlima D812: add product id

Issue #2477

custom_components/tuya_local/devices/qlima_d812_dehumidifier.yaml

@@ -1,7 +1,7 @@
 name: Dehumidifier
-# products:
-#   - id: UNKNOWN
-#     name: Qlima D812
+products:
+  - id: pxlnsbmh6jdqh35n
+    name: Qlima D812
 primary_entity:
   entity: humidifier
   class: dehumidifier