feat(relay_switch_remote): add Szaoju DIY Mini product

Issue #6132

custom_components/tuya_local/devices/relay_switch_remote.yaml

@@ -4,6 +4,9 @@ products:
     model: "1-433"
   - id: fugkn1vkc53nvo1s
     model: "1 Gang WiFi Smart Relay"
+  - id: keyjnuy4s3kre7m7
+    manufacturer: Szaoju
+    model: DIY Mini
 entities:
   - entity: switch
     dps: