Remove build files

Logger/LoggerFactory.cs

@@ -1,3 +1,5 @@
+using Microsoft.Extensions.Configuration;
+
 namespace Logger;
 
 /// <summary>
@@ -18,6 +20,41 @@ public static class LoggerFactory
         return new CompositeLogger(consoleLogger, fileLogger);
     }
 
+    /// <summary>
+    /// Create a logger from configuration section
+    /// </summary>
+    public static ILogger CreateFromConfiguration(IConfiguration configuration)
+    {
+        if (configuration == null) throw new ArgumentNullException(nameof(configuration));
+
+        var section = configuration.GetSection("Logger");
+        var consoleLevelString = section.GetValue("ConsoleMinimumLevel", "Trace");
+        var consoleLevel = ParseLogLevel(consoleLevelString);
+
+        var fileOptions = section.GetSection("File").Get<FileLoggerOptions>() ?? new FileLoggerOptions();
+
+        return CreateCompositeLogger(consoleLevel, fileOptions);
+    }
+
+    private static LogLevel ParseLogLevel(string? level)
+    {
+        if (string.IsNullOrWhiteSpace(level))
+            return LogLevel.Trace;
+
+        return level.Trim().ToLowerInvariant() switch
+        {
+            "trace" => LogLevel.Trace,
+            "debug" => LogLevel.Debug,
+            "info" => LogLevel.Info,
+            "information" => LogLevel.Info,
+            "warn" => LogLevel.Warning,
+            "warning" => LogLevel.Warning,
+            "error" => LogLevel.Error,
+            "fatal" => LogLevel.Fatal,
+            _ => LogLevel.Trace
+        };
+    }
+
     /// <summary>
     /// Create a console-only logger
     /// </summary>