fix(*): broken link to ./devtools/

Author: topheman

src/containers/Redux/Redux.js

@@ -9,7 +9,7 @@ const Redux = ({ counter }) => {
   return (
     <div>
       <p>I added <a href="http://redux.js.org/" title="About redux">redux</a> to manage state (a flux-like implementation if you will).</p>
-      <p>If you clone the project and launch it in local, you'll have access to the redux devtools (hot reloading / state history ...).{process.env.DEVTOOLS === true ? '' : <span> In fact, <a href="./devtools.html" title="Test with devtools & sourcemaps" style={{fontWeight: 'bold'}}>you can test them right now here</a>!</span>}</p>
+      <p>If you clone the project and launch it in local, you'll have access to the redux devtools (hot reloading / state history ...).{process.env.DEVTOOLS === true ? '' : <span> In fact, <a href="./devtools/" title="Test with devtools & sourcemaps" style={{fontWeight: 'bold'}}>you can test them right now here</a>!</span>}</p>
       <p>The button bellow is connected to a redux store:</p>
       <p><CounterButton/>{process.env.DEVTOOLS ? ' (ctrl+H to hide the debug panel).' : ''}</p>
       <p>This count is updated through the actions: <strong>{counter}</strong>.</p>