fix: 修正SicSetupMaker\Logs文件夹没有加入Git的问题。

SicSetupMaker/Logs/LogItem.cs

@@ -0,0 +1,25 @@
+using System;
+
+namespace SicSetupMaker.Logs
+{
+    public sealed class LogItem
+    {
+        public LogItem(LogLevels level, string message)
+        {
+            Level = level;
+            Message = message;
+            TimeStamp = DateTime.Now;
+        }
+
+        public LogLevels Level { get; }
+
+        public string Message { get; }
+        
+        public DateTime TimeStamp { get; }
+
+        public override string ToString()
+        {
+            return $"{Level} {TimeStamp}  {Message}";
+        }
+    }
+}