Add some statements

app/javascript/application.js

@@ -1,3 +1,5 @@
 // Configure your import map in config/importmap.rb. Read more: https://github.com/rails/importmap-rails
 import "controllers"
 import "@hotwired/turbo-rails"
+
+console.log('Hello World from application.js');

app/javascript/controllers/application.js

@@ -8,3 +8,5 @@ application.debug    = false
 window.Stimulus      = application
 
 export { application }
+
+console.log('Hello World from controllers/application.js');