added section for Gradle+Git (Groovy Template)

src/site/apt/getting-started.apt

@@ -78,3 +78,8 @@ $ mvn test
   * Check out the Spring Batch project from Git (instructions are available {{{source-repository.html}here}}).
 
   * Run Maven from the command line in the samples directory.  There are additional building instructions and suggestions about what to do if it goes wrong {{{building.html}here}}.
+
+* Using Gradle and Git (for Groovy programmers)
+
+  * There is a Groovy project template with instructions available {{{https://github.com/robokaso/Groovy-Spring-Batch-Template}here}}
+