Add Reactor autoconfiguration

* Make Rector @Autowirable
* Create a ConsumerBeanPostProcessor so users can add
@On and @Reply to bean methods
* Added groovy auto compiler and script sample

[#53955419] [bs-250]

spring-zero-samples/spring-zero-sample-web-ui/pom.xml

@@ -26,6 +26,10 @@
 			<groupId>nz.net.ultraq.thymeleaf</groupId>
 			<artifactId>thymeleaf-layout-dialect</artifactId>
 		</dependency>
+		<!-- dependency>
+			<groupId>org.projectreactor</groupId>
+			<artifactId>reactor-spring</artifactId>
+		</dependency-->
 	</dependencies>
 	<build>
 		<plugins>