add plugins

user/plugins/form/app/fields/index.js

@@ -0,0 +1,7 @@
+import './form';
+import FileInstances from './file';
+import ArrayInstances from './array';
+import PageMedia, { Instance as PageMediaInstances } from './media';
+import './tabs';
+
+export default { FileInstances, ArrayInstances, Media: { PageMedia, PageMediaInstances } };