feat(smartplugv2_energy): add Gosund SP1 product

PR #6276 by @grinser

custom_components/tuya_local/devices/smartplugv2_energy.yaml

@@ -35,6 +35,9 @@ products:
   - id: bhqkxecq6o5qkc52
     manufacturer: ANTELA
     model: Smart Plug
+  - id: IGzCi97RpN2Lf9cu
+    manufacturer: Gosund
+    model: SP1
 entities:
   - entity: switch
     class: outlet