Add frontend assets and plugin bundles

Add the legacy frontend themes, scripts, and plugin assets required by the main SPOTA interfaces.

assets/js/ui-buttons.js

@@ -0,0 +1,37 @@
+var UIButtons = function () {
+    //function to initiate LaddaButtons
+    var runLeddaButtons = function () {
+        // Bind normal buttons
+        Ladda.bind('.ladda-button', {
+            timeout: 2000
+        });
+        // Bind progress buttons and simulate loading progress
+        Ladda.bind('.progress-demo button', {
+            callback: function (instance) {
+                var progress = 0;
+                var interval = setInterval(function () {
+                    progress = Math.min(progress + Math.random() * 0.1, 1);
+                    instance.setProgress(progress);
+                    if (progress === 1) {
+                        instance.stop();
+                        clearInterval(interval);
+                    }
+                }, 200);
+            }
+        });
+        // You can control loading explicitly using the JavaScript API
+        // as outlined below:
+        // var l = Ladda.create( document.querySelector( 'button' ) );
+        // l.start();
+        // l.stop();
+        // l.toggle();
+        // l.isLoading();
+        // l.setProgress( 0-1 );
+    };
+    return {
+        //main function to initiate template pages
+        init: function () {
+            runLeddaButtons();
+        }
+    };
+}();