OpenJDK - add reference to main README file

Author: psumbera

README.md

@@ -11,6 +11,7 @@ Additionally, this repository also includes demos to augment the Oracle Solaris
 This repository aims to provide users with examples and steps on the following: 
 
 - [Oracle_Solaris_On_OCI](/OracleSolaris_OCI)
+- [Oracle_Solaris_OpenJDK_Builder](/OracleSolaris_OpenJDK_Builder)
 - [StatsStore_WebUI](/StatsStore_WebUI)
 - [REST](/REST)
 - [Blog Supplements](/Blog_Supplements)