Add notes for using interpreted Ruby to the readme
Add notes for using interpreted Ruby to the readme

mkristian/jruby-gradle-plugin,MisumiRize/jruby-gradle-plugin,MisumiRize/jruby-gradle-plugin,jamescway/jruby-gradle-plugin,MisumiRize/jruby-gradle-plugin,jamescway/jruby-gradle-plugin,raelik/jruby-gradle-plugin,mkristian/jruby-gradle-plugin,jamescway/jruby-gradle-plugin,raelik/jruby-gradle-plugin,raelik/jruby-gradle-plugin