use reflow to migrate from flow to typescript

scm-ui/ui-webapp/src/index.tsx

@@ -0,0 +1,31 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import Index from './containers/Index';
+
+import { I18nextProvider } from 'react-i18next';
+import i18n from './i18n';
+
+import { Provider } from 'react-redux';
+
+import createReduxStore from './createReduxStore';
+import { BrowserRouter as Router } from 'react-router-dom';
+
+import { urls } from '@scm-manager/ui-components';
+
+const store = createReduxStore();
+
+const root = document.getElementById('root');
+if (!root) {
+  throw new Error('could not find root element');
+}
+
+ReactDOM.render(
+  <Provider store={store}>
+    <I18nextProvider i18n={i18n}>
+      <Router basename={urls.contextPath}>
+        <Index />
+      </Router>
+    </I18nextProvider>
+  </Provider>,
+  root,
+);