feat: add ShortNames annotation to CustomService

Author: metacosm

samples/common/src/main/java/io/javaoperatorsdk/operator/sample/CustomService.java

@@ -3,8 +3,10 @@
 import io.fabric8.kubernetes.api.model.Namespaced;
 import io.fabric8.kubernetes.client.CustomResource;
 import io.fabric8.kubernetes.model.annotation.Group;
+import io.fabric8.kubernetes.model.annotation.ShortNames;
 import io.fabric8.kubernetes.model.annotation.Version;
 
 @Group("sample.javaoperatorsdk")
 @Version("v1")
+@ShortNames("cs")
 public class CustomService extends CustomResource<ServiceSpec, Void> implements Namespaced {}