Merge pull request #17222 from Mugen87/dev31

Docs: Add live example to intro guide.

docs/manual/en/introduction/Creating-a-scene.html

@@ -118,7 +118,7 @@
 		<h2>The result</h2>
 		<p>Congratulations! You have now completed your first three.js application. It's simple, you have to start somewhere.</p>
 
-		<p>The full code is available below. Play around with it to get a better understanding of how it works.</p>
+		<p>The full code is available below and as an editable [link:https://jsfiddle.net/mkba0ecu/ live example]. Play around with it to get a better understanding of how it works.</p>
 
 		<code>
 		&lt;html&gt;