Add strings for configuration of humidifier device.

custom_components/tuya_local/translations/en.json

@@ -15,6 +15,7 @@
           "display_light": "Include LED display as a light entity (Goldair only)",
           "child_lock": "Include child lock as a lock entity (unsupported on fans and switches)",
 	  "switch": "Include a switch entity (switches only)"
+          "humidifier": "Include a humidifier entity (humidifiers and dehumidifiers only)"
         }
       }
     },