[JS] Describe the expected structure of provisioned data in the tutorial
[JS] Describe the expected structure of provisioned data in the tutorial

Change-Id: I12450fd40e51c46b979f3e2195bcb0f7b34851e2

bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr