JAVA-26395 Move grails module to web-modules (#15072)

web-modules/grails/grails-app/assets/javascripts/application.js

@@ -0,0 +1,21 @@
+// This is a manifest file that'll be compiled into application.js.
+//
+// Any JavaScript file within this directory can be referenced here using a relative path.
+//
+// You're free to add application-wide JavaScript to this file, but it's generally better
+// to create separate JavaScript files as needed.
+//
+//= require jquery-2.2.0.min
+//= require bootstrap
+//= require_tree .
+//= require_self
+
+if (typeof jQuery !== 'undefined') {
+    (function($) {
+        $(document).ajaxStart(function() {
+            $('#spinner').fadeIn();
+        }).ajaxStop(function() {
+            $('#spinner').fadeOut();
+        });
+    })(jQuery);
+}