Add Azure info to the cloud deployment docs

See gh-26910

Author: aclement

spring-boot-project/spring-boot-docs/src/docs/asciidoc/anchor-rewrite.properties

@@ -523,6 +523,7 @@ cloud-deployment-aws-beanstalk=deployment.cloud.aws.beanstalk
 cloud-deployment-aws-tomcat-platform=deployment.cloud.aws.beanstalk.tomcat-platform
 cloud-deployment-aws-java-se-platform=deployment.cloud.aws.beanstalk.java-se-platform
 cloud-deployment-aws-summary=deployment.cloud.aws.summary
+cloud-deployment-azure=deployment.cloud.azure
 cloud-deployment-boxfuse=deployment.cloud.boxfuse
 cloud-deployment-gae=deployment.cloud.google
 deployment-install=deployment.installing

spring-boot-project/spring-boot-docs/src/docs/asciidoc/deployment/cloud.adoc

@@ -355,7 +355,9 @@ Your application should now be up and running on AWS.
 
 See the blog post on https://boxfuse.com/blog/spring-boot-ec2.html[deploying Spring Boot apps on EC2] as well as the https://boxfuse.com/docs/payloads/springboot.html[documentation for the Boxfuse Spring Boot integration] to get started with a Maven build to run the app.
 
-
+[[deployment.cloud.azure]]
+=== Azure
+This https://spring.io/guides/gs/spring-boot-for-azure/[Getting Started guide] walks you through deploying your Spring Boot application to either https://azure.microsoft.com/en-ca/services/spring-cloud/[Azure Spring Cloud] or https://docs.microsoft.com/en-ca/azure/app-service/overview[Azure App Service].
 
 [[deployment.cloud.google]]
 === Google Cloud