Add frontend assets and plugin bundles

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

assets/js/form-dropzone.js

@@ -0,0 +1,17 @@
+var Dropzone = function () {
+    //function to initiate DropzoneJS 
+    var runDropzone = function () {
+        //for more information about Server side implementation
+        //please visit http://www.dropzonejs.com/
+        $(".dropzone").dropzone({
+            paramName: "file", // The name that will be used to transfer the file
+            maxFilesize: 5.0, // MB
+            addRemoveLinks: true
+        });
+    };
+    return {
+        init: function () {
+            runDropzone();
+        }
+    };
+}();