Thanks for generating this project using the app accelerator. Please see below for some extra information on each of the technologies you chose
Inside the application project there is a application.rest package
containing the
LibertyRestEndpoint
class. This adds a REST endpoint which you can access at /rest
Inside the wlpcfg project there is the
it.rest.LibertyRestEndpointTest
that will test the REST endpoint to ensure it is working.
For the complete feature documentation, see the jaxrs-2.0 feature description in IBM Knowledge Center.