增加IsEarly字段

src/Hotline/Settings/SettingConstants.cs

@@ -785,5 +785,10 @@ namespace Hotline.Settings
         /// 高频预警许排除的工单标题
         /// </summary>
         public const string HighMatterWarningFilterTitle = "HighMatterWarningFilterTitle";
+
+        /// <summary>
+        /// 是否开启工单预警
+        /// </summary>
+        public const string IsEarly = "IsEarly";
     }
 }