fix(docs): WebServer implements Namespaced now

Author: metacosm

README.md

@@ -140,7 +140,7 @@ A sample custom resource POJO representation
 ```java
 @Group("sample.javaoperatorsdk")
 @Version("v1")
-public class WebServer extends CustomResource<WebServerSpec, WebServerStatus> {}
+public class WebServer extends CustomResource<WebServerSpec, WebServerStatus> implements Namespaced {}
 
 public class WebServerSpec {
 

samples/webserver/src/main/java/io/javaoperatorsdk/operator/sample/WebServer.java

@@ -7,5 +7,5 @@
 
 @Group("sample.javaoperatorsdk")
 @Version("v1")
-public class WebServer extends CustomResource<WebServerSpec, WebServerStatus> implements
-    Namespaced {}
+public class WebServer extends CustomResource<WebServerSpec, WebServerStatus>
+    implements Namespaced {}