fixup! Add README for Java-based VSS implementation.

Author: G8XSU

java/README.md

@@ -57,6 +57,7 @@ gradle wrapper --gradle-version 8.1.1
     ```
         docker run --detach -p 8080:8080 'vss_server_java'
     ```
+4. VSS endpoint should be reachable at `http://localhost:8080/vss`.
 
 ### Configuration