Merge pull request #50281 from mmoayyed

* patch-1:
  Polish "Add links for Java CAS Client Spring Boot Starter"
  Add links for Java CAS Client Spring Boot Starter

Closes gh-50281

Author: snicoll

starter/README.adoc

@@ -59,6 +59,9 @@ do as they were designed before this was clarified.
 | https://camunda.org/[Camunda BPM]
 | https://github.com/camunda/camunda-bpm-spring-boot-starter
 
+| https://apereo.github.io/cas/[CAS Client]
+| https://github.com/apereo/java-cas-client/tree/master/cas-client-support-springboot
+
 | https://casdoor.org/[Casdoor]
 | https://github.com/casdoor/casdoor-spring-boot-starter