Add line break in setup screen

Author: arikfr

redash/templates/setup.html

@@ -23,7 +23,7 @@
 
 {% block content %}
     <h2>
-        Welcome to Redash! <small>Before you can use your instance, you need to do a quick setup.</small>
+        Welcome to Redash!<br/><small>Before you can use your instance, you need to do a quick setup.</small>
     </h2>
 
     {% with messages = get_flashed_messages() %}