adding a redux todo list to playground

playground/src/index.tsx

@@ -1,5 +1,15 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
-import { TodoApp } from './components/TodoApp';
+import { createStore } from 'redux';
+import { Provider } from 'react-redux';
+import { reducer } from './reducers';
+import TodoAppContainer from './components/TodoAppContainer';
 
-ReactDOM.render(<TodoApp />, document.getElementById('app'));
+const store = createStore(reducer);
+
+ReactDOM.render(
+  <Provider store={store}>
+    <TodoAppContainer />
+  </Provider>,
+  document.getElementById('app')
+);