Add Supplier Exporter sample

spring-cloud-function-samples/pom.xml

@@ -22,6 +22,7 @@
 		<module>function-sample-task</module>
 		<module>function-sample-aws</module>
 		<module>function-sample-aws-custom</module>
+		<module>function-sample-supplier-exporter</module>
 		<module>function-sample-azure</module>
 		<module>function-sample-spring-integration</module>
 		<module>function-sample-gcp</module>