Fix markdown syntax error

bclozel · bclozel · commit 25706255a361 · 2016-04-26T10:16:38.000+02:00
The kramdown backend doesn't support titles whithout empty lines before
them.
diff --git a/_sample-pages/project.html b/_sample-pages/project.html
@@ -75,6 +75,7 @@
 * ...
 
 <span id="quick-start"></span>
+
 ## Quick Start
 
 {% include download_widget.md %}
