Hi Ajay, Thank you for your interest in this GSoC project with Apache Grails.
We create this following doc to guide you through the process: https://docs.google.com/document/d/1WgmeyvfhH4FEpMpeuFnhxq2JvEt1SwD2B4peRo5qi3o/edit?usp=drive_link
James Fredley
