util/id: add uuid v8 (#382)

* util/id: add ability to specify what kind of id generate (nanoid/uuid v8)
* logger/slog: write stacktrace always on fatal
* logger/slog: try to close Out and sleep 1s

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
Reviewed-on: #382
Co-authored-by: Vasiliy Tolstov <v.tolstov@unistack.org>
Co-committed-by: Vasiliy Tolstov <v.tolstov@unistack.org>

server/options.go

@@ -100,7 +100,7 @@ func NewOptions(opts ...Option) Options {
 		Address:          DefaultAddress,
 		Name:             DefaultName,
 		Version:          DefaultVersion,
-		ID:               id.Must(),
+		ID:               id.MustNew(),
 		Namespace:        DefaultNamespace,
 		GracefulTimeout:  DefaultGracefulTimeout,
 	}