refactor: migrate logger

backend/main.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/yyc12345/coconut-leaf/backend/cli"
 	"github.com/yyc12345/coconut-leaf/backend/config"
+	"github.com/yyc12345/coconut-leaf/backend/logger"
 )
 
 func main() {
@@ -18,7 +19,16 @@ func main() {
 	if err != nil {
 		log.Fatal(err)
 	}
-	_ = cfg
+
+	var loggerLevel logger.LoggerLevel
+	if cfg.Others.Debug {
+		loggerLevel = logger.Development
+	} else {
+		loggerLevel = logger.Production
+	}
+	logger := logger.New(loggerLevel)
+
+	_ = logger
 
 	// 创建默认的 Gin 引擎(包含 Logger 和 Recovery 中间件)
 	r := gin.Default()