Adding config required for SpringBoot docs

docs/documentation/use-samples.md

@@ -54,7 +54,7 @@ public class Runner {
 
     public static void main(String[] args) {
         Operator operator = new Operator(DefaultConfigurationService.instance());
-        operator.register(new WebServerController());
+        operator.register(new WebPageReconciler());
         operator.start();
     }
 }
@@ -214,6 +214,28 @@ public class Application {
 }
 ```
 
+You will also need a `@Configuration` to make sure that your reconciler is registered: 
+
+```java
+
+@Configuration
+public class Config {
+
+    @Bean
+    public WebPageReconciler customServiceController() {
+        return new WebPageReconciler();
+    }
+
+    @Bean(initMethod = "start", destroyMethod = "stop")
+    @SuppressWarnings("rawtypes")
+    public Operator operator(List<Reconciler> controllers) {
+        Operator operator = new Operator();
+        controllers.forEach(operator::register);
+        return operator;
+    }
+}
+```
+
 #### Spring Boot test support
 
 Adding the following dependency would let you mock the operator for the tests where loading the spring container is