added logger and tagger

pkg/logging/logger.go

@@ -0,0 +1,30 @@
+package logging
+
+import (
+	"log/slog"
+	"os"
+)
+
+// NewLogger создает и настраивает новый экземпляр slog.Logger.
+func NewLogger(logLevel string) *slog.Logger {
+	var level slog.Level
+	switch logLevel {
+	case "debug":
+		level = slog.LevelDebug
+	case "info":
+		level = slog.LevelInfo
+	case "warn":
+		level = slog.LevelWarn
+	case "error":
+		level = slog.LevelError
+	default:
+		level = slog.LevelInfo
+	}
+
+	opts := &slog.HandlerOptions{
+		Level: level,
+	}
+
+	handler := slog.NewTextHandler(os.Stdout, opts)
+	return slog.New(handler)
+}