feat: show how to use vert.x client implementation

Author: metacosm

sample-operators/webpage/pom.xml

@@ -37,10 +37,16 @@
         <dependency>
             <groupId>io.javaoperatorsdk</groupId>
             <artifactId>operator-framework</artifactId>
+            <exclusions>
+                <exclusion>
+                    <groupId>io.fabric8</groupId>
+                    <artifactId>kubernetes-httpclient-okhttp</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>io.fabric8</groupId>
-            <artifactId>kubernetes-httpclient-okhttp</artifactId>
+            <artifactId>kubernetes-httpclient-vertx</artifactId>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>