fix broken link (Azure#23856)

Fix broken link in Azure Spring Cloud Storage readme

Author: backwind1233

sdk/spring/azure-spring-cloud-storage/README.md

@@ -56,6 +56,7 @@ Please follow [instructions here][contributing_md] to build from source or contr
 [package]: https://mvnrepository.com/artifact/com.azure.spring/azure-spring-cloud-storage
 [refdocs]: https://azure.github.io/azure-sdk-for-java/springcloud.html#azure-spring-cloud-storage
 [logging]: https://github.com/Azure/azure-sdk-for-java/wiki/Logging-with-Azure-SDK#use-logback-logging-framework-in-a-spring-boot-application
+[sample]: https://github.com/Azure-Samples/azure-spring-boot-samples/tree/main/storage/azure-spring-cloud-starter-storage-queue/storage-queue-operation
 [logging_doc]: https://docs.spring.io/spring-boot/docs/current/reference/html/features.html#boot-features-logging
 [contributing_md]: https://github.com/Azure/azure-sdk-for-java/tree/main/sdk/spring/CONTRIBUTING.md
 [environment_checklist]: https://github.com/Azure/azure-sdk-for-java/blob/main/sdk/spring/ENVIRONMENT_CHECKLIST.md#ready-to-run-checklist