reorganize packages, start converting overall app to react (very broken at the moment)

Packages/ohif-viewerbase/client/components/browser/sidebar.js

@@ -0,0 +1,13 @@
+import { Template } from 'meteor/templating';
+
+Template.studyBrowserSidebar.events({
+    'ohif.studies.study.click'(event, instance) {
+        const $element = $(event.currentTarget);
+
+        // Remove active class from sibling studies
+        $element.siblings().removeClass('active');
+
+        // Toggle the active class on clicked study
+        $element.toggleClass('active');
+    }
+});