introduced yarn workspace

packages/web/src/widgets/WidgetContainer.js

@@ -0,0 +1,9 @@
+import React from 'react';
+import { useCurrentWidget } from '../utility/globalState';
+import DatabaseWidget from './DatabaseWidget';
+
+export default function WidgetContainer() {
+  const currentWidget = useCurrentWidget();
+  if (currentWidget === 'database') return <DatabaseWidget />;
+  return null;
+}