added config + client to client package

templates/jax-rs-api.java.mustache

@@ -8,7 +8,7 @@
  * <a href="https://app.apibuilder.io/{{service.organization.key}}/{{service.name}}/{{service.version}}">https://app.apibuilder.io/{{service.organization.key}}/{{service.name}}/{{service.version}}</a>
  *
 **/
-package {{package}};
+package {{package}}.client;
 
 import lombok.*;
 

templates/jax-rs-config.java.mustache

@@ -8,7 +8,7 @@
  * <a href="https://app.apibuilder.io/{{service.organization.key}}/{{service.name}}/{{service.version}}">https://app.apibuilder.io/{{service.organization.key}}/{{service.name}}/{{service.version}}</a>
  *
 **/
-package {{namespace}};
+package {{namespace}}.client;
 
 import lombok.*;
 import org.glassfish.jersey.client.HttpUrlConnectorProvider;