Feature/website overhaul (#49)

* Reorganize repo
* Overhaul website design and rewrite in NextJS and Typescript
* Delete website-publish.yml

core/src/index.ts

@@ -0,0 +1,25 @@
+import createReactClass from 'create-react-class';
+import React from 'react';
+
+import bootstrap from './bootstrap';
+import Registry from './lib/registry';
+
+export * from './backends';
+export * from './widgets';
+export * from './media-libraries';
+export * from './editor-components';
+export * from './locales';
+export * from './lib';
+
+export const CMS = {
+  ...Registry,
+  init: bootstrap,
+};
+
+if (typeof window !== 'undefined') {
+  window.CMS = CMS;
+  window.createClass = window.createClass || createReactClass;
+  window.h = window.h || React.createElement;
+}
+
+export default CMS;