IWF-101: Implementing Cloneable

Author: stevo89519

src/main/java/io/iworkflow/core/WorkflowStateOptions.java

@@ -7,7 +7,7 @@
 import java.util.ArrayList;
 import java.util.Objects;
 
-public class WorkflowStateOptions {
+public class WorkflowStateOptions implements Cloneable {
     private PersistenceLoadingPolicy searchAttributesLoadingPolicy;
 
     private PersistenceLoadingPolicy waitUntilApiSearchAttributesLoadingPolicy;