Caching and user data endpoint

conf/application.conf

@@ -8,6 +8,7 @@ play.filters.csrf.header.bypassHeaders {
 }
 play.filters.cors {
     allowedOrigins = ["http://localhost:4321"]
+    exposedHeaders = ["ETag"]
 }
 
 play.modules.enabled += "mqttClient.Module"

conf/routes

@@ -9,6 +9,8 @@ GET     /                           controllers.HomeController.index()
 POST    /login                      controllers.authentication.SessionsController.login()
 DELETE  /logout                     controllers.authentication.SessionsController.logout()
 
+GET /user_data                      controllers.HomeController.userData()
+
 # Map static resources from the /public folder to the /assets URL path
 GET     /assets/*file               controllers.Assets.versioned(path="/public", file: Asset)