[comment] adding reference

Author: matcdac

src/main/java/open/source/exchange/utility/asynchronous/MonoCallSynchronousExecutor.java

@@ -6,6 +6,7 @@
 import reactor.core.Disposable;
 import reactor.core.publisher.Mono;
 
+// https://projectlombok.org/features/log
 @Log4j2
 public class MonoCallSynchronousExecutor {