Add manifest.json, icons and install button, flatten client/src

client/js/components/Root.js

@@ -0,0 +1,12 @@
+import React from 'react';
+import { Provider } from 'react-redux';
+import { hot } from 'react-hot-loader';
+import App from 'containers/App';
+
+const Root = ({ store }) => (
+  <Provider store={store}>
+    <App />
+  </Provider>
+);
+
+export default hot(module)(Root);