Updated module README to include relevant info
## CAS
-This module contains articles about the Central Authentication Service (CAS)
+This module contains articles about the Central Authentication Service (CAS).
+
+The module consists of 2 submodules:
+1. `cas-server` - it requires JDK11 and uses the Gradle War Overlay style to ease setup and deployment. To start the server, simply run:
+
+`./gradlew run
+ -Dorg.gradle.java.home=$JAVA11_HOME
+ -Pargs="-Dcas.standalone.configurationDirectory=/cas-server/src/main/resources/etc/cas/config"`
+
+The server starts at https://localhost:8443. `casuser`/`Mellon` are the username and password for logging in.
+
+2. `cas-secured-app` - A Maven based Springboot Application
### Relevant Articles:
-- [CAS SSO With Spring Security](baeldung.com/spring-security-cas-sso)
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+- [CAS SSO With Spring Security](https://www.baeldung.com/spring-security-cas-sso)
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