Neatly align log columns

cmd/log_format_test/main.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"modify/logger"
+	"time"
+)
+
+func main() {
+	// Initialize logger with DEBUG level
+	logger.Init(logger.LevelDebug)
+
+	// Test different log levels
+	logger.Info("This is an info message")
+	logger.Debug("This is a debug message")
+	logger.Warning("This is a warning message")
+	logger.Error("This is an error message")
+	logger.Trace("This is a trace message (not visible at DEBUG level)")
+
+	// Test with a goroutine
+	logger.SafeGo(func() {
+		time.Sleep(10 * time.Millisecond)
+		logger.Info("Message from goroutine")
+	})
+
+	// Wait for goroutine to complete
+	time.Sleep(20 * time.Millisecond)
+}