d-redux-store">
        
        
          The main app, Flexbox, and Redux store <a href="#the-main-app-flexbox-and-redux-store">#</a>
        
        
      </h3>
    

<p>Let‚Äôs rename <code class="language-plaintext highlighter-rouge">ui.tsx</code> to <code class="language-plaintext highlighter-rouge">app.tsx</code> and update it w/ the following code.</p>

<div class="language-tsx highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="k">import</span> <span class="nx