chore: add go config and logging layer

platform/logging/logging.go

@@ -0,0 +1,17 @@
+package logging
+
+import (
+	"log/slog"
+	"os"
+)
+
+func New(service string, appEnv string, level slog.Level) *slog.Logger {
+	handler := slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{
+		Level: level,
+	})
+
+	return slog.New(handler).With(
+		"service", service,
+		"env", appEnv,
+	)
+}