Merge pull request #14496 from fonimus:patch-1

* pr/14496:
  Polish "Add reference to ssh shell spring boot starter"
  Add reference to ssh shell spring boot starter

spring-boot-project/spring-boot-starters/README.adoc

@@ -136,6 +136,9 @@ do as they were designed before this was clarified.
 | https://projects.spring.io/spring-batch/[Spring Batch] (Advanced usage)
 | https://github.com/codecentric/spring-boot-starter-batch-web
 
+| https://projects.spring.io/spring-shell/[Spring Shell]
+| https://github.com/fonimus/ssh-shell-spring-boot
+
 | https://github.com/savantly-net/sprout-platform[Sprout Platform]
 | https://github.com/savantly-net/sprout-platform/tree/master/spring/sprout-spring-boot-starter