Add Makefile and main.go in cli tools, base logger

local/logger/logger.go

@@ -0,0 +1,27 @@
+package logger
+
+import (
+	"log/slog"
+	"os"
+)
+
+type Logger struct {
+	*slog.Logger
+}
+
+func New(debug bool) *Logger {
+	var level slog.Level
+	if debug {
+		level = slog.LevelDebug
+	} else {
+		level = slog.LevelInfo
+	}
+	handler := slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{
+		Level: level,
+	})
+
+	return &Logger{
+		Logger: slog.New(handler),
+	}
+}
+