Update quickstart.md

Adds reference to spring boot app template. App Templates are packaged app samples designed with example code, CI/CD components, and documentation containing all the required steps. https://github.com/microsoft/App-Templates

Author: aarthiem

articles/spring-apps/quickstart.md

@@ -289,4 +289,6 @@ To learn how to use more Azure Spring capabilities, advance to the quickstart se
 > [!div class="nextstepaction"]
 > [Introduction to the sample app](./quickstart-sample-app-introduction.md)
 
+If you are looking for a packaged app template with Spring Apps infrastructure provisioned using bicep and deploy microservices based spring pet clinic source code to Spring Apps, see [App Template: Spring boot app on Azure Spring Apps](https://github.com/Azure-Samples/apptemplates-microservices-spring-app-on-AzureSpringApps)  
+
 More samples are available on GitHub: [Azure Spring Apps Samples](https://github.com/Azure-Samples/Azure-Spring-Cloud-Samples).