feat: zero cold water switch

custom_components/midea_auto_cloud/translations/en.json

@@ -2317,6 +2317,9 @@
       },
       "antifreeze": {
         "name": "Antifreeze"
+      },
+      "cold_water_master": {
+        "name": "Cold Water Master"
       }
     }
   }

custom_components/midea_auto_cloud/translations/zh-Hans.json

@@ -2317,6 +2317,9 @@
       },
       "antifreeze": {
         "name": "防冻模式"
+      },
+      "cold_water_master": {
+        "name": "单次零冷水"
       }
     }
   }