Update welcome.html

Author: pedra

Config/Devbr/Html/welcome.html

@@ -1,6 +1,6 @@
 
     		<section>
-
+                
     			<h1>Hello World</h1>
 
 			<iframe width="560" height="315" src="https://www.youtube.com/embed/videoseries?list=PL9IUbUK2bbvRFDC_cNEymkA9UE5qvJ_1Y" frameborder="0" allowfullscreen></iframe>