App renders slideshow picker on main index page.

src/App.js

@@ -0,0 +1,19 @@
+import React from 'react';
+import RedditSlideshow from './components/RedditSlideshow/RedditSlideshow';
+import SlideshowPicker from './components/SlideshowPicker/SlideshowPicker';
+
+const App = () => {
+  const shouldRenderPicker = !window.location.pathname || window.location.pathname === '/';
+
+  if (shouldRenderPicker) {
+    return (
+      <SlideshowPicker />
+    );
+  }
+
+  return (
+    <RedditSlideshow />
+  );
+};
+
+export default App;

src/index.js

@@ -3,7 +3,7 @@ import ReactDOM from 'react-dom';
 import * as serviceWorker from './serviceWorker';
 import axios from 'axios';
 
-import App from './containers/App';
+import App from './App';
 import './index.css';
 
 axios.defaults.baseURL = "https://www.reddit.com";