添加日志系统和gitignore

Tools/log_systeam/log_creator.cs

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+using System;
+using System.IO;
+
+namespace MCSJ.Tools.LogSystem
+{
+    public static class LogCreator
+    {
+        public static string GenerateLogFileName()
+        {
+            DateTime now = DateTime.Now;
+            return $"{now:yyyy-MM-dd-HH-mm-ss}.log";
+        }
+        
+        public static string GetLogDirectory()
+        {
+            string logDir = Path.Combine(Directory.GetCurrentDirectory(), "logs");
+            if (!Directory.Exists(logDir))
+            {
+                Directory.CreateDirectory(logDir);
+            }
+            return logDir;
+        }
+        
+        public static string GetLogFilePath()
+        {
+            return Path.Combine(GetLogDirectory(), GenerateLogFileName());
+        }
+    }
+}

Tools/log_systeam/log_main.cs

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+using System;
+using System.IO;
+using System.Threading;
+
+namespace MCSJ.Tools.LogSystem
+{
+    public static class LogMain
+    {
+        private static readonly object _lock = new object();
+        
+        public enum LogLevel
+        {
+            DEBUG,
+            INFO,
+            WARN,
+            ERROR,
+            FATAL
+        }
+        
+        public static void Log(LogLevel level, string message)
+        {
+            string logEntry = $"[{DateTime.Now:yyyy-MM-dd HH:mm:ss}] [{level}] {message}";
+            string logPath = LogCreator.GetLogFilePath();
+            
+            lock (_lock)
+            {
+                File.AppendAllText(logPath, logEntry + Environment.NewLine);
+            }
+        }
+        
+        public static void Debug(string message) => Log(LogLevel.DEBUG, message);
+        public static void Info(string message) => Log(LogLevel.INFO, message);
+        public static void Warn(string message) => Log(LogLevel.WARN, message);
+        public static void Error(string message) => Log(LogLevel.ERROR, message);
+        public static void Fatal(string message) => Log(LogLevel.FATAL, message);
+    }
+}